• Mineral Glass
• Screw Lock Back
• 100-meter water resistance
• Case / bezel material: Stainless steel
• Stainless Steel Band
• One-touch 3-fold Buckle
• Regular timekeepingAnalog: 3 hands (hour, minute, second),4 dials (month, date, day, 24-hour)
• Accuracy: ±20 seconds per month
• Approx. battery life: 3 years on

• Mineral Glass
• Screw Lock Back
• 100-meter water resistance
• Case / bezel material: Stainless steel
• Stainless Steel Band
• One-touch 3-fold Buckle
• Regular timekeepingAnalog: 3 hands (hour, minute, second),4 dials (month, date, day, 24-hour)
• Accuracy: ±20 seconds per month
• Approx. battery life: 3 years on SR621SW
• Size of case: 49 X 44.8 X 10.1 mm
• Total weight: 142 g