Waterproof Luminous Automatic Mechanical Watch for Men, Waterproof Depth: 200m The product is based on the color or size of the main image of the product page. 1. Mechanical movement 2. Sapphire mirror surface, resistant to abrasion, high temperature, and clear display time 3. Highlight the night light effect, you can see the time in the dark 4. Stainless steel case, effectively protect the watch 5. 200m waterproof depth, the watch can also be used during diving 6. Leather strap, comfortable to wear Basic parameters: 1. Type of movement: mechanical 2. Movement model: NH35 automatic mechanical movement 3. Dial diameter: 39mm 4. Watch thickness: 12mm 5. Full length of watch: 23cm 6. Suitable for hand circumference: 14-21cm 7. Crown type: spiral crown 8. Buckle style: pin buckle 9. Buckle material: stainless steel 10. Mirror material: anti-wear mineral sapphire mirror 11. Strap material: the first double-sided belt 12. Material of bottom cover: stainless steel 13. Case material: stainless steel 14. Waterproof depth: 200m 15. Dial shape: round