Parameter properties of this watch:

1, diameter: 4 1 mm.

2, case material: fine steel

3, dial color: black

4, dial shape: round

5, mirror material: sapphire crystal glass

6. Crown material: fine steel

7, strap color: silver

8, strap material: fine steel

9. Fastening material: fine steel.

10, back penetration: dense bottom

1 1, waterproof depth: 100m.