Dimensions (L × W × H). More information about Dimensions (L × W × H). 48.5 × 45.4 × 11.8 mm. Weight. More information about Weight. 51 g. Case and bezel material. Carbon/Resin . Band. Resin band. Construction. Shock Resistant. Carbon Core Guard structure. Water resistance. Water resistance up to a depth of 20 bar. Power supply and battery life. Approximate battery life: 3 years on SR726W X 2. Exterior. Glass. Mineral glass. Compatible band size. 145 to 215 mm. Others. Neobrite. Watch Functions. World time. World time. 31 time zones (48 cities + UTC) and daylight saving ON/OFF. Stopwatch. 1/100-second stopwatch. Measuring capacity:00´00"00~59´59"99 (for the first 60 minutes). 1:00´00~23:59´59 (after 60 minutes). Measuring unit:1/100 second (for the first 60 minutes). 1 second (after 60 minutes). Measuring modes:Elapsed time, split time, 1st-2nd place times. Timer. Countdown timer. Measuring unit: 1 second. Countdown range: 24 hours. Countdown start time setting range: 1 second to 24 hours (1-second, 1-minute and 1-hour increments). Alarm/hourly time signal. 5 daily alarms. Hourly time signal. Illumination. Double LED light. LED light for the face (Full auto LED light, selectable illumination duration (1.5 or 3 seconds), afterglow). LED backlight for the digital display (Full auto LED light, selectable illumination duration (1.5 or 3 seconds), afterglow). Light color. LED: white. Calendar. Full auto-calendar (up to year 2099). Mute function. Button operation tone ON/OFF. Accuracy. Accuracy: ±15 seconds per month. Other options. Hand shift function (Hands move away to provide an unimpeded view of digital display contents). Regular timekeeping: Analog: 2 hands (Hour and minute (hand moves every 20 seconds)), 1 dial (Day). Digital: Hour, minutes, seconds, p.m., month, and date