SMAEL 8043 Multifunctional Dual Display Shockproof Outdoor Waterproof Sports Quartz Watch Features: 1. No fear of falling, shock and drop resistance 2. Cold light display, easy to read time without fear of night 3. Electronic + quartz movement, durable, long life, LED large screen display 4. 50 meters waterproof, support swimming wear, let you do whatever you want 5. Light-transmitting and wear-resistant mirror surface, clear time reading 6. Three-dimensional multi-layer dial, multi-functional design parameter: 1. Functions: luminous, alarm, moon phase display, week display, running seconds mode, shock and drop resistance, 24-hour indication, chronograph, 3-window electronic screen 2. Wearing range: 14-23cm 3. Display type: pointer + number 4. Case material: plastic 5. Bottom cover material: stainless steel 6. Strap material: PU 7. Mirror material: acrylic 8. Buckle material: stainless steel 9. Buckle style: pin buckle 10. Waterproof performance: 50m 11. Movement: quartz + electronic movement 12. Display type: pointer + number 13. Power supply mode: built-in button battery 14. Movement model: AL35 15. Dial diameter: 49mm 16. Thickness: 18mm 17. Weight: 72g Friendly reminder: 1. Any waterproof watch should not be brought into contact with hot water or steam (such as hot water bath, sauna, etc.); 2. Try to avoid using it in an environment with large temperature changes. The temperature difference will cause the moisture in the air in the watch to condense, which will cause water inflow and water mist in the watch; 3. If there is fog in the watch, please go to a professional watch repair department for cleaning and maintenance as soon as possible; 4. The watch is a precision instrument after all, please take good care of it and use it; good usage habits can increase the life of your watch, and bad habits will shorten the life of your watch