MEGIR 2182 Men Business Chronograph Calendar Waterproof Luminous Watch Square Quartz Watch 1. Display type: Pointer 2. Bottom cover material: stainless steel 3. Mirror material: Mineral strengthened glass mirror 4. Case material: alloy 5. Strap material: genuine leather 6. Buckle style: pin buckle 7. Buckle material: stainless steel 8. Special functions: luminous, alarm, chronograph, small three needles, 24-hour indication, etc. 9. Water resistance: 30M 10. Movement type: Quartz LD53 movement 11. Watch width: 24mm 12. Case thickness: 11mm 13. Dial size: 43.5x52mm 14. Watch length: 240mm 15. Net weight: about 85g Features: 1. 30M waterproof performance, which can meet the waterproof requirements of daily life, and can be worn after washing hands 2. Smooth square design, concise lines 3. Mineral wear-resistant glass, smooth and wear-resistant, transparent and visible, resistant to impact 4. Clear luminous light, bright and smooth luminous light assists reading, eliminating inconvenience at night 5. Powerful luminous vision, absorb light source and store it into luminous, clear at a glance when reading, environmentally friendly and labor-saving 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. 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, bad habits will shorten the life of your watch