Case / bezel material: Stainless steel
Stainless Steel Band
One-touch 3-fold Clasp
Mineral Glass
Moon phase
50-meter water resistance
Regular timekeeping:
Analog: 3 hands (hour, minute, second), 3 dials (date, day, moon phase)
Accuracy: ±20 seconds per month
Approx. battery life: 3 years on SR621SW
Size of case : 44.5 × 34 × 9.3 mm
Total weight : 116 g