• Mother of pearl face
• Sapphire Glass with non-reflective coating
• Screw Lock Back
• 50-meter water resistance
• Case / bezel material: Stainless steel
• One-touch 3-fold Clasp
• Genuine Leather Band

• Moon phase
• Regular timekeepingAnalog: 3 hands (hour, minute, second), 3 dials (date, day, moon phase)
• Accuracy: ±20

• Mother of pearl face
• Sapphire Glass with non-reflective coating
• Screw Lock Back
• 50-meter water resistance
• Case / bezel material: Stainless steel
• One-touch 3-fold Clasp
• Genuine Leather Band

• Moon phase
• Regular timekeepingAnalog: 3 hands (hour, minute, second), 3 dials (date, day, moon phase)
• Accuracy: ±20 seconds per month
• Approx. battery life: 3 years on SR621SW
• Size of case: 41.1 × 35.6 × 9.1 mm
• Total weight: 51 g