- Case / bezel material: Stainless steel
- One-touch 3-fold Clasp
- Stainless Steel Band
- Mineral Glass
- Screw Lock Back
- Anti-reverse Bezel
- 100-meter water resistance
- Regular timekeeping Analog: 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?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????a????????????????????????????45.5?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????a????????????????????????????11.5mm
- Total weight : 162g