Case/bezel material: Stainless steel One-touch 3-fold Clasp Stainless Steel Band Mineral Glass 50-meter water resistance Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (date, day, 24-hour) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR927SW Size of case / Total weight Size of case: 49.5×42×10.2mm Total weight: 117g