Case size (H× W× D): 52,5 mm x 49,8 mm x 15,5 mm Weight: 74 g Stainless steel resin case: The case is a combination of stainless steel and resin what the clock elegant, robust yet lightweight makes Band: Resin (The synthetic band is equipped with a buckle) 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 Solar Power: A solar cell provides power for operation Shock-resistant Radio signal reception (EU, USA, Japan, China) World time function: Displays the current time in major cities and specific areas around the world Date and weekday display Stopwatch function - 1/100 sec. - 24 minutes Daily alarm Automatic hand adjustment Button tones on/off Automatic calendar with date, day and month Battery type: CTL920