Case / bezel material: Stainless steel One-touch 3-fold Clasp Stainless Steel Band Mineral Glass Screw Lock Back 50-meter water resistance Day and date display Regular timekeeping Analog: 3 hands (Hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 10 years on CR2012 Size of case : 45×40×9.1mm Total weight : 107g