This model presents a number of choices in modern, fashionable, wristwear. The square bezel is based on the ever-popular DW-5600 series. Details Case Size (L x W x H): 46.7 × 43.2 × 12.7 mm Weight: 51.7 g Case and Bezel Material: Resin Band: Resin Band Construction: Shock Resistant Water Resistance: 200-meter water resistance Time Adjustment: Radio-controlled Watch; Multi band 6 Power Supply and Battery Life: Tough Solar (Solar powered) Exterior Mineral Glass Watch Features World Time: 5 World time, 31 time zones (48 cities +coordinated universal time), daylight saving on/off, Home city/World time city swapping 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 increments, 1-minute increments and 1-hour increments) Alarm / Hourly Time Signal: 5 daily alarms (with 1 snooze alarm), Hourly time signal Light: LED backlight (Super Illuminator), Full auto LED light, selectable illumination duration (1.5 seconds or 3 seconds), afterglow Light Colour: LED White Calendar: Full auto-calendar (to year 2099) Mute Feature: Button operation tone on/off Energy Saving Feature: Power Saving (display goes blank to save power when the watch is left in the dark) Battery Display / Alert: Battery level indicator Run Time: Approx. battery operating time: 10 months on rechargeable battery (operation period with normal use without exposure to light after charge), 22 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Accuracy: Accuracy: ±15 seconds per month Other Features: 12/24-hour format, Date/month display swapping, Day display (days of the week selectable in six languages), Regular timekeeping: Hour, minute, second, pm, month, date, day Time Adjustment Details: Time calibration signal reception, Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful) *5 times a day for the Chinese calibration signal