Case / bezel material: Stainless steel One-touch 3-fold Clasp Stainless Steel Band Mineral Glass Screw Lock Back 50-meter water resistance Date display Regular timekeeping3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR626SW Size of case / Total weight Size of case : 55×46.3×10.5mm Total weight : 136g