**specifications:** **brand:** Skmei **movement Type:** Electronic Movement **model Number:** 1155b **dial Width:** 55mm **case Material:** Abs+pu **dial Thickness:** 17mm **strap Material:** Pu **strap Width:** 22mm **mirror Material:** High-transparency Resin **water Resistance Level:** 50 Meters **circumference:** 220mm (large), 170mm (small) **weight:** 74g **color Options:** Black, Blue, Red, Golden **features:** Shockproof, Impact-resistant, Night Light Display, Alarm, Date Display, Weekday Display, Calendar Display, Backlight Function **maintenance Tips:** Avoid Hot Water, Sauna, Or Extreme Temperature Changes; Do Not Operate ons Or Adjust The Crown Underwater; Regularly Clean The Strap/case; Avoid Magnetic Fields And Exposure To Water/moisture/cosmetics; Do Not Disassemble The Watch; Avoid Impacts And Drops; Do Not Adjust The Date Between 10 Pm And 2 Am; Adjust Time In The Forward Direction To Prevent Damage; Pull Out The Crown To Adjust Time. **trend, Cool Moment:** This Watch Is Very Trendy And Makes You Different, At The Forefront Of Fashion. Absolute Toughness/ Night Light Display, Not Afraid Of Darkness, Clear Time Reading In Low Light Conditions. Trendy Street Style, Absolutetoughness/ Detailed Display, High-transparency Resin Mirror, Dual Movement (electronic Quartz), Pu Strap With Stainless Steel Screws, Night Light Screen, Impact-resistant Structure Design. **note:** All Measurements Are Approximate And May Vary Slightly Due To Manual Measurement. Please Refer To The Actual Product For Accuracy. Night Light Display May Vary Due To Different Production Batches.