- Case / bezel material: Stainless steel
- Resin Band
- Mineral Glass
- Screw Lock Back
- 50-meter water resistance
- 1-second stopwatch
Measuring capacity: 29'59
Measuring mode: Elapsed time - Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (stopwatch seconds, 24-hour, stopwatch minutes)
- Accuracy: ??????20 seconds per month
- Approx. battery life: 2 years on SR621SW
- Size of case : 51.5???|?44???|?10.9mm
- Total weight : 91g