Specifications Case / bezel material: Stainless steel One-touch 3-fold Clasp Stainless Steel Band Mineral Glass Spherical Glass Water Resistant Regular timekeeping Analog: 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR626SW Size of case : 36.5×30×8mm Total weight : 54g