- Shock resistant
- Data display
- Regular timekeeping
Analog: 3 hands (Hour, minute, second) - Accuracy: ±20 seconds per month
- Approx. battery life: 2 years on SR621SW
- Size of case
STG-110.........................42.4 x 42.1 x 13.3 mm
STG-110P.......................42.4 x 42.1 x 13.3 mm
MSG-550L......................42.4 x 42.1 x 13.3 mm
MSG-550........................42.4 x 42.1 x 13.3 mm
MSG-550P......................42.4 x 42.1 x 13.3 mm
MSG-550LV....................42.4 x 42.1 x 13.3 mm
MSG-551........................42.4 x 42.1 x 13.3 mm
BG-26DM........................46.9 x 42.95 x 13.9 mm
BG-28DM........................46.9 x 42.95 x 13.9 mm