Specifications Case / bezel material: Stainless steel Genuine Leather Band Sapphire Crystal Pink gold ion plated case 50-meter water resistance Date display Regular timekeeping 3 hands (hour, minute, second) Accuracy: ± 20 seconds per month Approx. Battery life: 3 years on SR716SW Size of case / Total weight Size of case: 40.4 × 35.2 × 8mm Total weight: 40g