World Time. World time with 38 time zones (38 cities + Coordinated Universal Time), city name display, daylight saving on/off, automatic daylight saving time (DST) switching, and Home City/World Time switching. Stopwatch. 1/1000-second stopwatch Measuring capacity: 00´00´´000~59´59´´999 (for the first 60 minutes) 1:00´00´´0~23:59´59´´9 (after 60 minutes) Measuring unit: 1/1000 second (for the first 60 minutes) 1/10 second (after 60 minutes) Measuring modes: Elapsed time and lap time. 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 dial [auto LED light, super illuminator, selectable illumination duration (1.5 or 3 seconds) and luminosity], LED backlight for digital display [auto LED light, super illuminator, selectable illumination duration (1.5 or 3 seconds) and luminosity]. Light color. LED: white. Calendar. Full auto-calendar (to year 2099). Mute function. Button press tone on/off. Accuracy. Accuracy: ±15 seconds per month (without Mobile Link function). Other options. Hand shift function (hands move to provide a clear view of the watch contents) Digital display). Airplane mode. 12- and 24-hour format. Schedule beep on/off. Date/month display switching. Day display (days of the week selectable in six languages). Normal timekeeping. Analog: 2 hands (hour and minute (hand moves every 20 seconds)), 1 dial (linked to each mode) / Digital: hour, minute, second, p.m., month, date, and day. Glass. Mineral crystal. Dimensions (L × W × H). 52.4 × 48 × 12.7 mm. Weight. 65 g. Case and bezel material. Carbon / Stainless steel. Strap. Resin strap. Water resistance. Water resistance to a depth of 10 bars. Power supply and battery life. Approximate battery life: 2 years with CR2016.