- Mineral Glass
- Screw Lock Back
- Anti-reverse Bezel
- 100-meter water resistance
- Case / bezel material: Stainless steel
- Stainless Steel Band
- One-touch 3-fold Clasp
- Regular timekeepingAnalog: 3 hands (hour, minute, second), 3 dials (date, day, 24-hour)
- Accuracy: ±20 seconds per month
- Approx. battery life: 3
- Mineral Glass
- Screw Lock Back
- Anti-reverse Bezel
- 100-meter water resistance
- Case / bezel material: Stainless steel
- Stainless Steel Band
- One-touch 3-fold Clasp
- Regular timekeepingAnalog: 3 hands (hour, minute, second), 3 dials (date, day, 24-hour)
- Accuracy: ±20 seconds per month
- Approx. battery life: 3 years on SR621SW
- Size of case: 53 × 45.5 × 11.5 mm
- Total weight: 162 g