Diameter 42.5mm
Case and bezel material
Stainless steel
Band
Genuine Leather Band
Water resistance
50-meter water resistance
Power supply and battery life
Approx. battery life: 3 years on SR621SW
Mineral Glass
Screw Lock Back
Moon data
Moon phase
Accuracy
Accuracy: ±20 seconds per month
Other features
Regular timekeeping:
Analog: 3 hands (hour, minute, second)