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/Bio-based resin. Band. Bio-based 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. Other. 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. Preset 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 (Super illuminator, selectable illumination duration (1.5 or 3 seconds), afterglow). LED backlight for the digital display (Super illuminator, 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 out of the way to provide an unobstructed view of digital display contents). Regular timekeeping:Analog:2 hands (Hour and minute ), 1 dial (Day). Digital:Hour, minutes, seconds, p.m., month and date.