Moon phase
Accuracy: ±20 seconds per month
Regular timekeeping:
Analog: 3 hands (hour, minute, second)
Case / bezel material: Stainless steel
Genuine Leather Band
50-meter water resistance
Power supply and battery life
Approx. battery life: 3 years on SR621SW
Mineral Glass
Back plate
Screw Lock Back
Case size (L× W× H)
48.4 × 42.5 × 9.6 mm
Weight
58 g