Case size (H× W× D): 48,9 x 43,8 x 13,7 mm Weight: 54 g Case / bezel material: Resin - The resin housing is the ideal everyday companion. It is durable, lightweight and relatively insensitive to cold, heat or other external influences. Band: Resin Water resistance: 200-meter water resistance (Perfect for free diving without scuba gear: the watch is water resistant up to 20 bar according to ISO 22810) Mineral glass Power supply and battery life: Approx. battery life: 2 years on CR2016 Electro-luminescent backlight Stopwatch function - 1/100 sec. - 24 hours Timer - 1/1 min. - 24 hours (with automatic repeat) Multi-function alarm Automatic calendar with Date, Day and Month: Once set, the automatic calendar always displays the correct  12/24-hour format The package comes with a gold-color base watch and two interchangeable bezel and band sets, one translucent and one black, for three distinct beat-perfect looks.