Best Olevs in 2026

⌚LONGER AND DURABLE USING--Sony sr621sw-364 battery.Import Japan quartz movement and work with sony button battery,TOP quality.

⌚ULTRA-THIN DIAL DESIGN:Dial thickness is only 0.25 inches,ultra thin design & breathe leather strap,so this watches is very light(25G) and comfortable for wear.

⌚WATER RESISTANT:There is no need to worry about rain or water splash because the watch is Alloy case water resistance up to 30m and is suitable for daily use.It is perfect for business meetings and casual dates.

Imported Luxury Watches for Men Day Date Luminous Waterproof & FUNCTION & day date calendar window for men which can know the date and arrange yourself daily work - Efficient and fast work/ Light Green Luminous - Watch pointers can glow in the dark/ Easy to read/ With a adjustable Tool freely to adjust watch band within 8.7inch/ shockproof/ 3ATM water resistant up to 30 meters - 100 feet, handwash,swimming,daily use waterproof.

Gold Watches for Men Black Dial ★ Classic Business Casual Dress Design ★ Stylish Golden bezel with neat firm diamonds, big face black dial with gold index (1.6"/40mm), fashion classic business style dress watches for men, Shiny hard wear-resistant adjustable Double butterfly clasp - Push Button Hidden Clasp, has been carefully designed to stand the test of time, So Handsome and Outstanding

Diamond Watches for Men 💗 High Quality - PURCHASE WITHOUT WORRY 💗 Not satisfied within 90-day refund. Japan MIYOTA Quartz movement, SONY 377 SR626SW button battery - life is up to 24-36 months, keep the time precise, antireflective hardlex crystal glass - high hardness,durable, scratch resistant mineral, all 316L stainless steel for men, - better technology and a comfortable wearing experience. Any questions, pls feel free to let us solid experienced OLEVS watch team know & try our

⌚LONGER AND DURABLE USING--Sony sr621sw-364 battery.Import Japan quartz movement and work with sony button battery,TOP quality.

⌚ULTRA-THIN DIAL DESIGN:Dial thickness is only 0.25 inches,ultra thin design & breathe leather strap,so this watches is very light(25G) and comfortable for wear.

⌚WATER RESISTANT:There is no need to worry about rain or water splash because the watch is Alloy case water resistance up to 30m and is suitable for daily use.It is perfect for business meetings and casual dates.

【WATCHES FOR WOMENS】Simple and elegant stainless steel women watch, luxury rose gold classic design, slim and relatively thin. Our classic simple ladies wristwatch will be greatly suitable for any occasion, awesome quartz watch bring you to the fashion time.

【CASUAL ELEGANT WATCH】Unique Heart Dial with shining diamond, slim watch hands. Quality stainless steel case and soft stainless steel mesh strap with hook buckle, elegant business watch with Japanese quartz movement which makes your time more precise. Adjustable mesh band bring your comfortable wearing experience.

【WATERPROOF WATCH】30 Meters waterproof (not for shower,swimming and diving), Ultra-thin watch case with calendar , classic fashion style can make you be a charming person . This wristwatch could also be a very fantastic gift for your family or friends.

💗High Quality - PURCHASE WITHOUT WORRY💗: 90 days money back, full manufacturer for up to 2 years. Japan Quartz movement, SONY 364 SR621SW button battery - could use for 2-3 years,Hardlex crystal glass - high hardness,durable, scratch resistant mineral, brown genuine leather band, - better breathability,durable and a comfortable wearing experience

★Minimalist Ultra Thin Big Face Dress Design★: Fashion Large Dial Navy Blue dial with stylish rose gold bezel and index(1.57"/40mm),easy reader,Classic Business style, Simple Casual dress watch,Shiny beveled bezel round case and strap with release pin buckle, has been carefully designed to stand the test of time, so Handsome,Charming and Outstanding

★Date Calendar/Waterproof 3ATM FUNCTION★: Know the date and arrange your daily work - Efficient and fast work/ Easy to adjust watch band within 9.6inch/ shockproof/ water resistant up to 30 meters - 100 feet, handwash,swimming,daily use waterproof,not suitable for underwater activities

【Feature 1】👍Men's Wrist Watches,Quartz Movement Stable Quality.Gold Stainless Steel Strap(Adjustable, Free Adjustment Tool) High-Quality Wear-Resistant Mirror Antireflective Durable Coatings Dial Window To Prevent Scratches And Breaks. Durable Battery (Replaceable, Life Span 1-2 Years).1 Year Watch Warranty

【Feature 2】👍Mens Watches Unique Classic Design Analog Date Calendar Black Watch.5 Colors To Choose From.Luminous Hands Stainless Steel Case,Water Resistant To 30m (330 Ft): In General, Suitable For Swimming And Snorkeling, But Not Scuba Diving.

【Feature 3】👍Watch for Men Diameter 1.54 inches/39MM, Round Metal Case Thickness 0.35 inches/9MM, Stainless Steel Bracelet Length: 8.66 Inches/220MM, Width: 0.78 inches/20MM, Weight 3.52 ounces/100G, Water Resistant To 30m (330 Ft)

✨【Good quality and Value】The Green Dial Watch Adopts a Japanese Quartz Movement With Stable Quality.Stainless Steel Men's Watch Uses High Quality Antireflective Durable Coatings Dial Window To Prevent Scratches And Breaks.

✨【Classic Design】Classic Design Quartz Analog Big Face Watch,Casual Steel Bracelet Round Watch Featuring Corrugated Unidirectional Bezel,Luminous Hands/Markers, and Magnified Date Window at Three O'clock,Fashion Watch With Roman Scale Bezel

✨【More Details】Unique Mirror Diameter 1.61 Inches(41MM), Round Metal Case Thickness 0.43 Inches(11MM),Stainless Steel Bracelet Length: 8.66 Inches(220MM),Width: 0.78 Inches( 20MM), Weight 4.16 Ounces(118G),Water Resistant:330 Ft (30M)

★ Nice Watches For Men Luxury Dress ★ Fashion diamond big face,full steel silver and gold band, men business dress up watches, luxury class casual watch for men. It is popular because it emphasizes nice watch design and practicality. Whether it is fashion, casual, simple, business, classic or age, this OLEVS silver men watch is suitable for different dress styles on any occasion.

★ Analog Quartz Waterproof Men Watches ★ Imported Japanese quartz movement, high quality battery, analog display diamond dial, accurate time,because of the more durable battery, it can be used for more than 3 years, and it is easy to replace.

★ Full Steel Water Resistant Stainless Steel Blue Watch ★ 316L stainless steel silver and gold strap, men business wrist watch, hidden butterfly buckle, safe and not hurting hands, great for big wrists, nice luxury watch for men. Free stainless steel band adjustment tool,the length of the men wrist watch can be adjusted according to the size of the wrist.

【Feature 1】👍Men's Wrist Watches,Quartz Movement Stable Quality.Gold Stainless Steel Strap(Adjustable, Free Adjustment Tool) High-Quality Wear-Resistant Mirror Antireflective Durable Coatings Dial Window To Prevent Scratches And Breaks. Durable Battery (Replaceable, Life Span 1-2 Years).1 Year Watch Warranty

【Feature 2】👍Mens watches Unique Classic Design Analog Date Calendar Display Watch Window.5 Colors To Choose From.Luminous Hands Stainless Steel Case,Water Resistant To 30m (330 Ft): In General, Suitable For Swimming And Snorkeling, But Not Scuba Diving.

【Feature 3】👍Watch for men Diameter 1.54 inches/39MM, Round Metal Case Thickness 0.35 inches/9MM, Stainless Steel Bracelet Length: 8.66 Inches/220MM, Width: 0.78 inches/20MM, Weight 3.52 ounces/100G, Water Resistant To 30m (330 Ft)

⌚ Features a classic big dial and quartz movement with stable quality. High hardness coated glass mirror is wear-resistant, scratch-proof, Butterfly double buckle ensures comfortable wear.

⌚ Mirror diameter is 1.6 inches (41mm), case thickness is 0.43 inches (11mm), and band length is 7 inches (180mm). The length of the watch can be adjusted, and it weighs 132g (4.65 ounces). Maximum applicable to about an 8-9" wrist. Includes an adjustment strap tool, and extra straps are available upon request.

⌚ Luminous function can be activated by illuminating the watch under strong light for 30-40 seconds, providing a new visual experience at night. Manual includes detailed instructions for adjusting time and calendar.

✨【Good quality and Value】The Green Dial Watch Adopts a Japanese Quartz Movement With Stable Quality.Stainless Steel Men's Watch Uses High Quality Antireflective Durable Coatings Dial Window To Prevent Scratches And Breaks.

✨【Classic Design】Classic Design Quartz Analog Big Face Watch,Casual Steel Bracelet Round Watch Featuring Corrugated Unidirectional Bezel,Luminous Hands/Markers, and Magnified Date Window at Three O'clock,Fashion Watch With Roman Scale Bezel

✨【More Details】Unique Mirror Diameter 1.61 Inches(41MM), Round Metal Case Thickness 0.43 Inches(11MM),Stainless Steel Bracelet Length: 8.66 Inches(220MM),Width: 0.78 Inches( 20MM), Weight 4.16 Ounces(118G)

💗High Quality - PURCHASE WITHOUT WORRY💗: 90 days money back, full manufacturer for up to 2 years. Japan Quartz movement, SONY 364 SR621SW button battery - could use for 2-3 years,Hardlex crystal glass - high hardness,durable, scratch resistant mineral, genuine leather, - better breathability,durable and a comfortable wearing experience. If you have any questions, pls contact our solid experienced customer service freely

★Minimalist Ultra Thin Fashion Design★: Big face black dial with stylish rose gold index(1.57"/40mm),easy reader,Classic Business style, Simple Casual dress watch,Shiny beveled bezel round case and strap with release pin buckle, has been carefully designed to stand the test of time, so Handsome

★Date Calendar/Waterproof 3ATM FUNCTION★: Know the date and arrange your daily work - Efficient and fast work/ Easy to adjust watch band within 9.6inch/ shockproof/ water resistant up to 30 meters - 100 feet, handwash,swimming,daily use waterproof,not suitable for underwater activities

👍Design: This is a minimalist and ultralight men's watch, with an ultra-thin minimalist style dial paired with a pu leather strap, it is a good choice for business wear or casual use.

👍Features: Adjustable PU Leather and Alloy Shell, Safe, Durable, Convenient Buckle, Won't Hurt Your Clothes or Hands.

👍Original Quartz Movement: Provides precise timing, you will never be late again.

【Fashion and classic style】precisely time running and easy to read the time.Watch have minimalist and elegant design with exquisite workmanship,to stand the test of time,this is the ultimate watch,the best watch for women.At the core of OLEVS is an innovative belief that you deserve the best so that you look and feel unstoppable.Because when you look good,you feel good,and when you feel good,you can do anything.

【Watch Type】 gold watches for women/analog quartz watch,watch case:29mm diameter and 9mm thickness,precision quartz core,week and date display;±20 seconds per month accuracy,scratch resistant.We hope it acts as a daily reminder to never stop,never settle, and stay in relentless pursuit of your goals.At OLEVS,luxury is a value.It’s an attention to detail.It's a promise to never take shortcuts and a commitment to always providing our customers with the best.

【Perfect Crafts】Watch band:19cm length and 12mm width（Gentle hint: the watch band can be dismantled and adjusted by adjusting the needle in the package.）,stainless steel watchband,hidden butterfly pushed button,fadeless,ventilate,prevent perspiration,fit wrist,quality assurance.dustproof watchcase and luminescence display (Absorb and store sunlight,and then release it in the dark),water resistant to 30m (100ft),can splash water or brief immerse in water,but not suitable for swimming or bathing

⌚Fashionable and versatile men's watch,Suitable for Parties, Work,Daily life,and Appointments.The product is beautifully packaged and suitable for all kinds of holiday gifts.Our package contains watch *1 OLEVS brand box *1 adjust strap tool*1 manual *1, Can be worn directly.

⌚Use Classic Big Dial,Quartz Movement With Stable Quality,High hardness coated glass mirror Wear resistant ScratchProof ,Butterfly double buckle comfortable to wear.Unique sports chronograph offers three multi-function sub-dials,minutes and seconds timekeeping for a wide range of uses.

⌚When you need your watch to luminous,Please Illuminate the Watch Under the Strong Light for 30-40 Seconds to Activate the Luminous Function.Giving you a new visual experience at night.About how to adjust the time and calendar, the manual has written detailed instructions for you.

★ Nice Watches For Men Luxury Dress ★ Fashion diamond big face,full steel silver band, men business dress up watches, luxury class casual watch for men. It is popular because it emphasizes nice watch design and practicality. Whether it is fashion, casual, simple, business, classic or age, this OLEVS silver men watch is suitable for different dress styles on any occasion.

★ Analog Quartz Waterproof Men Watches ★ Imported Japanese quartz movement, high quality battery, analog display diamond dial, accurate time,because of the more durable battery, it can be used for more than 3 years, and it is easy to replace.

★ Full Steel Water Resistant Stainless Steel Blue Watch ★ 316L stainless steel silver strap, men business wrist watch, hidden butterfly buckle, safe and not hurting hands, great for big wrists, nice luxury watch for men. Free stainless steel band adjustment tool,the length of the men wrist watch can be adjusted according to the size of the wrist.

[Womens Rose Gold Watch] 💗 High Quality - Purchase Without Worry💗 Fashion watches for women is quickly delivered by Amazon official.Customer satisfaction is our first priority,so if you have some questions about watch quality ,please contact with me,we provide 30 days of free returns.I will provide you with a satisfactory solution.

[Watch with Mesh Band for Women] 💗 Minimalist ladies watch with Milanese mesh belt,Use Hook-button Design,give free adjust tool-The length of the steel strip can be adjusted according to the size of the wrist.（If you don't know how to adjust it, please follow the video at the bottom of the link or contact our customer service. It is very easy to operate.）

[Elegant and Stylish Ladies Watches] 💗 The women's wrist watches is both functional and stylish. Meeting practicality needs, The petite rose gold case with full minimalist dial, a small date window positioned at 6 o’clock and 3 rose gold hands, make a polished statement, more chic and premium feel to others. The slim design accentuates the wrist and the elegant look can make any attires look more feminine.

【Fashion and classic style】precisely time running and easy to read the time.refined at all times,starting from the wrist,to stand the test of time,this is the ultimate watch,the best watch for women.At the core of OLEVS is an innovative belief that you deserve the best so that you look and feel unstoppable.Because when you look good,you feel good,and when you feel good,you can do anything.

【Watch Type】 White gold digital watches for women/analog Calendar ladies watch,watch case:29mm diameter and 9.5mm thickness,precision quartz core,week and date display;±20 seconds per month accuracy,scratch resistant.We hope it acts as a daily reminder to never stop,never settle,and stay in relentless pursuit of your goals.At OLEVS,luxury is a value.It’s an attention to detail.It's a promise to never take shortcuts and a commitment to always providing our customers with the best.

【Perfect Crafts】High hardness coated glass mirror,wear-resistant,scratch-resistant,waterproof.watch band:19cm length and 14mm width（Gentle hint: the watch band can be dismantled and adjusted by adjusting the needle in the package.）,stainless steel watchband,hidden butterfly pushed button,fadeless,ventilate,prevent perspiration,fit wrist,quality assurance.dustproof watchcase,water resistant to 30m (100ft),can splash water or brief immerse in water,but not suitable for swimming or bathing.

【Feature 1】👍Men's Wrist Watches,Quartz Movement Stable Quality.Gold Stainless Steel Strap(ADJUSTABLE, FREE ADJUSTMENT TOOL) High-Quality Wear-Resistant Mirror Antireflective Durable Coatings Dial Window To Prevent Scratches And Breaks. Durable Battery (Replaceable, Life Span 1-2 Years).1 Year Watch Warranty

【Feature 2】👍Gold Watch for Men Unique Classic Design Analog Date Calendar Display Watch Window.5 Colors To Choose From.Luminous Hands Stainless Steel Case,Water Resistant To 30m (330 Ft): In General, Suitable For Swimming And Snorkeling, But Not Scuba Diving.

【Feature 3】👍Mens Watch Diameter 1.54 inches/39MM, Round Metal Case Thickness 0.35 inches/9MM, Stainless Steel Bracelet Length: 8.66 Inches/220MM, Width: 0.78 inches/20MM, Weight 3.52 ounces/100G, Water Resistant To 30m (330 Ft)

★Minimalist Ultra Thin Big Face Dress Design★: Fashion Large Dial Navy dial with stylish rose gold index(1.57"/40mm),easy reader,Classic Business style, Simple Casual dress watch,Shiny beveled bezel round case and black band strap with adjustable pin buckle, has been carefully designed to stand the test of time, so Handsome,Charming and Outstanding

★Date Calendar/Waterproof 3ATM FUNCTION★: Know the date and arrange your daily work - Efficient and fast work/ Easy to adjust watch band within 9.6inch/ shockproof/ water resistant up to 30 meters - 100 feet, handwash,swimming,daily use waterproof,not suitable for underwater activities

💗High Quality - PURCHASE WITHOUT WORRY💗: 90 days money back, full manufacturer for up to 2 years. Japan Quartz movement, S-ONY 364 SR621SW button battery - could use for 2-3 years,Hardlex crystal glass - high hardness,durable, scratch resistant mineral, brown genuine leather band, - better breathability,durable and a comfortable wearing experience

[Rose Gold Watches for Women] 💗 High Quality - Purchase Without Worry💗 Fashion watches for women is quickly delivered by Amazon official.Customer satisfaction is our first priority,so if you have some questions about watch quality ,please contact with me,we provide 30 days of free returns.I will provide you with a satisfactory solution.

[Elegant and Stylish Ladies Watches] 💗 The women's wrist watches is both functional and stylish. Meeting practicality needs, The petite rose gold case with double heart dial,hour mark of diamond and Stereo pointer,make a polished statement, more chic and premium feel to others. The stylish design accentuates the wrist and the elegant look can make any attires look more feminine.

[Watch with Mesh Band for Women] 💗 Ladies watches with Milanese mesh belt,Use Hook-button Design,give free adjust tool-The length of the steel strip can be adjusted according to the size of the wrist.（If you don't know how to adjust it, please follow the video at the bottom of the link or contact our customer service. It is very easy to operate.）

Upgraded Men's Watch

⌚ OLEVS Mens Watches :Unique Classic Design Analog Date Calendar Display Watch Window. Easy to Read, Classic Business Style, Stylish Casual Dress Watch, Stylish Gold Indexes and Round Case,finely designed,stand the test of time, handsome and outstanding.

⌚Business Analog Quartz Watches:Stainless Steel Men Watch with Japanese quartz movement,scratch-resistant. Watches dial diameter 1.6 inch(41MM). Case thick 0.43 inch(11MM), ,Steel band Width 0.79inch（20MM）,Length 8.66 inch(22cm).Men's Watch Weight 4.16 ounces(118G) ，Please contact us if the strap length is not enough, and we will reissue the free watch chain for you.

👍Design: This is a minimalist and ultralight men's watch, with an ultra-thin minimalist style dial paired with a pu leather strap, it is a good choice for business wear or casual use.

👍Features: Adjustable PU Leather and Alloy Shell, Safe, Durable, Convenient Buckle, Won't Hurt Your Clothes or Hands.

👍Original Quartz Movement: Provides precise timing, you will never be late again.

【Fashion and classic style】precisely time running and easy to read the time.Watch have minimalist and elegant design with exquisite workmanship,to stand the test of time,this is the ultimate watch, the best watch for women. At the core of OLEVS is an innovative belief that you deserve the best so that you look and feel unstoppable. Because when you look good, you feel good, and when you feel good, you can do anything.

【Watch Type】 white watches for women/analog quartz watch,watch case:29mm diameter and 9mm thickness,precision quartz core,week and date display;±20 seconds per month accuracy,scratch resistant. We hope it acts as a daily reminder to never stop, never settle, and stay in relentless pursuit of your goals.At OLEVS, luxury is a value. It’s an attention to detail. It's a promise to never take shortcuts and a commitment to always providing our customers with the best.

【Perfect Crafts】Watch band:19cm length and 14mm width（Gentle hint: the watch band can be dismantled and adjusted by adjusting the needle in the package.）,stainless steel watchband,hidden butterfly pushed button,fadeless,ventilate,prevent perspiration,fit wrist,quality assurance.dustproof watchcase and luminescence display (Absorb and store sunlight, and then release it in the dark),water resistant to 30m (100ft),can splash water or brief immerse in water,but not suitable for swimming or bathing

★ Business Casual Nice Men Watches ★ Casual blue big face, fashion full steel black band ,best dressed watches for business men. High quality analog quartz men watch with waterproof and chronograph. Fashion tourbillon dial, whether for business men or casual luxury dress, OLEVS nice watch for men are suitable for different styles on different occasions.

★ High Quality Analog Quartz Watches For Men ★ Imported Japanese quartz movement, high quality battery, analog display roman numerals watch, accurate time,because of the more durable battery, it can be used for more than 3 years, and it is easy to replace.

★ Full Steel Waterproof Stainless Steel Black Watch ★ 316L stainless steel black strap, men business wrist watch, hidden butterfly buckle, safe and not hurting hands, great for big wrists, nice luxury watch for men. Free stainless steel band adjustment tool,the length of the men wrist watch can be adjusted according to the size of the wrist.

Mens Watches Leather Band ★ Ultra Thin Minimalist Large Dial Dress Design★ Simple Slim White Big face with stylish Gold index(1.57"/40mm), Classic style Casual dress watch for Men,Fashion shiny rose gold beveled round case and Genuine Leather strap with release pin buckle, has been carefully designed to stand the test of time, so Handsome and Outstanding

Watches for Men Waterproof Date Calendar ★FUNCTION★ Know the time to arrange your daily work - Efficient and fast work/ Easy to read/ Easy to adjust watch band within 9.65inch/ shockproof/ 3ATM water resistant up to 30 meters - 100 feet, handwash,swimming,daily use waterproof,not suitable for underwater activities

Male Watches 💗 High Quality - PURCHASE WITHOUT WORRY 💗 Not satisfied with 90-day refund. Japan Quartz movement, S-ONY 364 SR621SW button battery, the battery life is up to 24-36 months, keep the time precise, Hardlex crystal glass - high hardness,durable, scratch resistant mineral, Genuine Leather watch strap, - better breathable and a comfortable wearing experience

【Feature 1】👍Men's Wrist Watches,Quartz Movement Stable Quality.Gold Stainless Steel Strap(Adjustable, Free Adjustment Tool) High-Quality Wear-Resistant Mirror Antireflective Durable Coatings Dial Window To Prevent Scratches And Breaks. Durable Battery (Replaceable, Life Span 1-2 Years).1 Year Watch Warranty

【Feature 2】👍Mens Watches Unique Classic Design Analog Date Calendar Black Watch.5 Colors To Choose From.Luminous Hands Stainless Steel Case,Water Resistant To 30m (330 Ft): In General, Suitable For Swimming And Snorkeling, But Not Scuba Diving.

【Feature 3】👍Watch for Men Diameter 1.54 inches/39MM, Round Metal Case Thickness 0.35 inches/9MM, Stainless Steel Bracelet Length: 8.66 Inches/220MM, Width: 0.78 inches/20MM, Weight 3.52 ounces/100G, Water Resistant To 30m (330 Ft)

[Black Watch for Women] 💗 High Quality - Purchase Without Worry💗 Fashion watches for women is quickly delivered by Amazon official.Customer satisfaction is our first priority,so if you have some questions about watch quality ,please contact with me,we provide 30 days returns.I will provide you with a satisfactory solution.

[Watch with Mesh Band for Women] 💗 Minimalist ladies watch with Milanese mesh belt,Use Hook-button Design,give adjust tool-The length of the steel strip can be adjusted according to the size of the wrist.（If you don't know how to adjust it, please follow the video at the bottom of the link or contact our customer service. It is very easy to operate.）

[Elegant and Stylish Ladies Watches] 💗 The women's wrist watches is both functional and stylish. Meeting practicality needs, The petite black case with full minimalist dial, a small date window positioned at 6 o’clock and 3 gold hands, make a polished statement, more chic and premium feel to others. The slim design accentuates the wrist and the elegant look can make any attires look more feminine.

⌚Fashionable and versatile men's watch,Suitable for Parties, Work,Daily life,and Appointments.The product is beautifully packaged and suitable for all kinds of holiday gifts.Our package contains watch *1 OLEVS brand box *1 adjust strap tool*1 manual *1, Can be worn directly.

⌚Use Classic Big Dial,Quartz Movement With Stable Quality,High hardness coated glass mirror Wear resistant ScratchProof ,Butterfly double buckle comfortable to wear.Unique sports chronograph offers three multi-function sub-dials,minutes and seconds timekeeping for a wide range of uses.

⌚When you need your watch to luminous,Please Illuminate the Watch Under the Strong Light for 30-40 Seconds to Activate the Luminous Function.Giving you a new visual experience at night.About how to adjust the time and calendar, the manual has written detailed instructions for you.