SKMEI 2003 Multifunctional Back Light Sports Watch Mens Countdown Date Alarm Clock Watch Features: 1. The 50M waterproof performance can meet the waterproof requirements of daily life, and it can be worn after washing hands 2. EL luminous, easy to read the time in the dark without fear of light 3. Dual-time countdown multi-function movement for both leisure and sports 4. Stainless steel bottom cover, good waterproof performance 5. Stainless steel clasp, chic and beautiful 6. ABS material case, hard and durable 7. The TPU strap is comfortable and elastic Parameter: 1. Functions: dual time, chronograph stopwatch, hourly timekeeping, day of the week display, timed alarm clock, luminous, 1224 hour format, countdown 2. Water resistance: 50m 3. Movement: electronic movement with Japanese battery 4. Case material: ABS 5. Buckle material: stainless steel 6. Strap material: TPU 7. Mirror material: resin glass mirror 8. Dial width: 52MM 9. Dial thickness: 16.8MM 10. Band width: 22MM 11. Total length of the watch: 265MM 12. Net weight: 54.5G Friendly reminder: 1. Any waterproof watch should not be exposed to 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 condensation in the watch. If there is fog in the watch, please go to the professional watch repair department for cleaning and maintenance as soon as possible 3. The watch is a precision instrument after all, please take good care of it. Good usage habits can increase the life of your love watch, bad habits will shorten the life of your love watch