Mineral Glass / Spherical Glass
50-meter water resistance
Case / bezel material: Stainless steel
Stainless Steel Band
One-touch 3-fold Clasp
Solid Band
Date display
Regular timekeeping
Analog: 3 hands (hour, minute, second)
Accuracy: ±20 seconds per month
Approx. battery life: 3 years on SR621SW
Size of case: 30.5 × 21 × 7.9 mm
Total weight: 66 g