Casio Analog , Case / bezel material: Resin , Resin Band , 100-meter water resistance , Approx. battery life: 3 years on SR927SW , Resin Glass , Timer Bezel , Accuracy: ±20 seconds per month , Regular timekeeping: Analog: 3 hands (hour, minute, second) , Day and date display , Case size (L× W× H) - 55 × 52.6 × 14.2 mm Weight- 61 g