Dimensions (L × W × H). 52.5 × 50.1 × 12.7 mm. Weight. 46 g. Case and Bezel Material. Resin. Band. Resin Band. Water Resistance. Water resistant up to 10 bar. Power Supply and Battery Life. Solar powered. Exterior. Glass. Mineral Glass. Compatible Band Size. 145 to 215 mm. Watch Functions. World Time. World time. With 31 time zones (48 cities + coordinated universal time), daylight saving on/off and home city/world time city swapping. Stopwatch. 1/100-second stopwatch Measuring capacity: 59´59.99´´ Measuring modes: Elapsed time, split time, 1st-2nd place times. Timer. Countdown timers can be set for up to two different intervals. Countdown timer interval unit: 1 second Input range: 00´05´´ to 99´55´´ (1-second increments and 5-second increments) Others: Auto-repeat . Alarm / hourly time signal. 5 daily alarms. Hourly time signal. Illumination. LED light Selectable illumination duration (1.5 or 3 seconds), selectable illumination. Light color. LED: Amber. Calendar. Full auto-calendar (to year 2099). Mute function. Button operation tone on/off. Power saving function. Power saving (display goes blank to save power when the watch is left in the dark). Battery level indicator. Battery level indicator. Run time. Approximate battery operating time: 10 months on rechargeable battery (period of operation under normal use without exposure to light after charging). 23 months on rechargeable battery (period of operation when stored in total darkness with the power saving function turned on after full charge). Accuracy. Accuracy: ±30 seconds per month. Other options. Regular timekeeping: Analog: 2 hands (Hour, minute (hand moves every 20 seconds)). Digital: Hour, minute, second, pm, month, date, day in 6 languages