• Mineral Glass
• Cut Glass
• Water Resistant
• Case / bezel: Ion plated
• Stainless Steel Band
• One-touch 3-fold Clasp

• Regular timekeepingAnalog: 3 hands (hour, minute, second)
• Accuracy: ±20 seconds per month
• Approx. battery life: 2 years on SR521SW
• Size of case: 30 × 20.5 × 8.2 mm
• Total weight: 61

• Mineral Glass
• Cut Glass
• Water Resistant
• Case / bezel: Ion plated
• Stainless Steel Band
• One-touch 3-fold Clasp

• Regular timekeepingAnalog: 3 hands (hour, minute, second)
• Accuracy: ±20 seconds per month
• Approx. battery life: 2 years on SR521SW
• Size of case: 30 × 20.5 × 8.2 mm
• Total weight: 61 g