- Case size (L× W× H): 44.5 × 34 × 9.3 mm
- Weight: 55 g
- Case and bezel material: Stainless steel
- Band: Genuine Leather Band
- Water resistance: 50-meter water resistance
- Power supply and battery life:3 years on SR621SW
- Exterior
- Glass: Mineral Glass
- Compatible band size: 175 to 215 mm
- Watch Features
- Moon data, Moon phase
- Accuracy: ±20 seconds per month
- Other features
- Regular timekeeping:, Analog: 3 hands (hour, minute, second), 3 dials (date, day, moon phase)