Dulunwe 6067A 30m Waterproof Luminous Automatic Mechanical Watch Features: 1. 30 meters waterproof, meet daily life needs 2. The pointer scale has a luminous effect, which makes it easier to read at night 3. It uses a mineral reinforced glass mirror, which is high-definition, scratch-resistant and wear-resistant 4. The hollow bottom cover design allows you to immerse yourself in the mechanical rhythm 5. The stainless steel forged buckle adopts a double snap buckle form 6. The soft silicone textured strap enhances comfort and fits the wrist better Product parameters: 1. Case material: alloy 2. Buckle material: stainless steel double snap buckle 3. Lens material: high-transmittance mineral mirror 4. Strap material: silicone 5. Waterproof function: 30 meters waterproof 6. Movement type: fully automatic mechanical movement 7. Display type: pointer 8. Case diameter: 42mm horizontally, 55mm vertically 9. Case thickness: 14mm 10. Strap width: 23mm 11. Total strap length: 230mm