- Partial ion plated
- Mineral Glass
- Screw Lock Back
- 100-meter water resistance
- Case / bezel material: Stainless steel
- Stainless Steel Band
- One-touch 3-fold Buckle
- Regular timekeepingAnalog: 3 hands (hour, minute, second),3 dials (date, day, 24-hour)
- Accuracy: ±20 seconds per month
- Approx. battery life: 2
- Partial ion plated
- Mineral Glass
- Screw Lock Back
- 100-meter water resistance
- Case / bezel material: Stainless steel
- Stainless Steel Band
- One-touch 3-fold Buckle
- Regular timekeepingAnalog: 3 hands (hour, minute, second),3 dials (date, day, 24-hour)
- Accuracy: ±20 seconds per month
- Approx. battery life: 2 years on SR621SW
- Size of case: 49.6 X 43 X 10.8 mm
- Total weight: 153 g