OLEVS 6638 Men Multifunctional Luminous Waterproof Mechanical Watch(Black)

1. Movement: mechanical movement
2. Strap: stainless steel bracelet
3. Case: electroplated alloy
4. Waterproof: 30m life waterproof
5. Diameter: 40mm
6. Thickness: 12mm
7. Watch circumference: 20cm
8. A high-performance chronograph with a top speed of 400 miles or kilometers per hour
9. High-definition luminous coating, clear when reading at night
10. Equipped with a sealing waterproof ring to enhance the anti-fog function