OLEVS 6605 Men Multifunctional Waterproof Mechanical Watch1. Movement: automatic mechanical movement 2. Strap: solid stainless steel bracelet 3. Case: alloy case 4. Waterproof: 30m life waterproof 5. Diameter: 42. 8mm 6. Thickness: 14mm 7. Watch circumference: 20cm 8. Equipped with a unidirectional rotating outer ring, which is convenient for timing 9. High definition luminous, able to absorb external light energy, clear when reading at night 10. The teeth are strong and durable, easy to wear and easy to