1. Alloy case with oven vacuum plating, no color loss for a long time 2. 30M waterproof, with sealed waterproof ring, support for hand washing, face washing daily water, enhanced anti-fog function 3. Leather strap, comfortable to wear 4. Embossed steel back, waterproof performance is good 5. Luminous display, easy to read the time even in low light conditions 6. Functions: three time, alarm clock, LED night light, calendar display, chronograph, day display 7. Movement: quartz movement 8. Power supply: button cell battery included 9. Crown type: flat-topped conical crown 10. Mirror material: high hardness coated glass 11. Buckle style: pin buckle 12. Buckle material: stainless steel 13. Strap Material: Leather 14. Case material: alloy 15. Thickness: about 1.5cm 16. Dial size: about 5.1 x 4.7cm 17. Weight: about 126g