- Mineral Glass
- 50-meter water resistance
- Case / bezel material: Stainless steel
- Stainless Steel Band
- One-touch 3-fold Clasp
- Regular timekeeping
- Analog: 3 hands (hour, minute, second),
- 3 dials (date, day, 24-hour)
- Accuracy: ±20 seconds per month
- Approx. battery life: 2 years on SR621SW
- Size
- Mineral Glass
- 50-meter water resistance
- Case / bezel material: Stainless steel
- Stainless Steel Band
- One-touch 3-fold Clasp
- Regular timekeeping
- Analog: 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: 45 × 41.9 × 8.7 mm