Dimensions (L × W × H). More information about Dimensions (L × W × H). 49.1 × 58.2 × 19.6 mm. Weight. More information about Weight. 74 g. Case and bezel material. Resin. Band. Resin band. Construction. Shock resistant. Water resistance. Water resistance up to 20 bar. Power supply and battery life. Approximate battery life:10 years on CR2025. Exterior. Glass. Mineral glass. Spherical 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, and 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 (in 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), and afterglow). LED backlight for the digital display (Super Illuminator, selectable illumination duration (1.5 or 3 seconds), and 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 a clear view of digital display contents). Regular timekeeping:Analog:2 hands (hour and minute (hand moves every 20 seconds)), 1 dial (mode). Digital:Hour, minutes, seconds, pm, month, date, and day