OLEVS 9912 Hollow Flywheel Week Calendar Dial Luminous Mechanical Watch for Men(Silver Shell Black Surface)

1. Model: 9912
2. Movement type: original mechanical movement
3. Table mirror material: high hardness coating mirror
4. Strap material: leather
5. Waterproof: 30 meters deep waterproof
6. Case diameter: 40.5mm
7. Bracelet width: 20mm
8. Case thickness: 13mm
9. Weight: 76g
10. Circumference: 23.5cm
11. Functions: week display, calendar display, 24-hour display, hollow flywheel, luminous