Specifications Case / bezel material: Stainless steel Solid Band Stainless Steel Band One-touch 3-fold Clasp Mineral Glass Cut Glass Partial ion plated 50-meter water resistance Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (24-hour, date, day) Accuracy: ± 20 seconds per month Approx. Battery life: 3 years on SR916SW Size of case / Total weight Size of case: 41 × 34.6 × 10.3mm Total weight: 85g