• Case size (L× W× H):  44.5 × 34 × 9.4 mm
• Weight: 117 g
• Case and bezel material:  Stainless steel
• Band: Stainless Steel Band, One-touch 3-fold Clasp
• Water resistance: 50-meter water resistance
• Power supply and battery life: 2 years on SR621SW
• Glass: Mineral Glass
• Compatible band size: 150 to 205 mm
• Accuracy: ±20 seconds per month
• Other features:
  Regular timekeeping:
  Analog: 3 hands (hour, minute, second), 3 dials (date, day, 24-hour)