- Mineral Glass / Spherical Glass
- 50-meter water resistance
- Case / bezel material: Stainless steel
- Stainless Steel Band
- One-touch 3-fold Buckle
- Date display
- Regular timekeeping3 hands (hour, minute, second)
- Accuracy: ±20 seconds per month
- Approx. battery life: 3 years on SR621SW
- Size of case: 45.5 X
- Mineral Glass / Spherical Glass
- 50-meter water resistance
- Case / bezel material: Stainless steel
- Stainless Steel Band
- One-touch 3-fold Buckle
- Date display
- Regular timekeeping3 hands (hour, minute, second)
- Accuracy: ±20 seconds per month
- Approx. battery life: 3 years on SR621SW
- Size of case: 45.5 X 40 X 9.4 mm
- Total weight: 109 g