GM-B2100GD-5ADR

Material of the structure / position of the watch glass: stainless steel shock-resistant water resistance up to 200 meters Tough Solar (solar powered) Mobile link (wireless connection using Bluetooth®) mineral glass screw-back cover (strap coated with ionized rose gold (copper) app connectivity feature automatic time setting easy watch setting world time for approximately 300 cities time and place reminder phone finder world time world time, 38 time zones (38 cities + Coordinated Universal Time), display of city codes, display of city names, daylight saving time on/off, automatic DST switching, local city/UTC city switch stopwatch stopwatch with 1/100 second accuracy, measurement capacity: from 00'00''00 to 59'59''99 approximately (for the first 60 minutes) from 1:00'00 to 23:59'59 approximately (after 60 minutes), measurement unit: 1/100 second (for the first 60 minutes) and one second (after 60 minutes), measurement modes: elapsed time, lap/split time timer countdown timer, measurement unit: one second, countdown range: 60 minutes countdown start time setting range: from one second to 60 minutes (with one-second increase rate and one-minute increase rate) alarm/time signal hourly 5 daily alarms hourly time signal LED dual light, watch face LED (high-intensity lamp, adjustable lighting duration (1.5 seconds or 3 seconds), dusk lighting) digital display backlight with LED technology, (high-intensity lamp, adjustable lighting duration (1.5 seconds or 3 seconds), dusk lighting) light color LED: white calendar full auto calendar (up to year 2099) mute feature on/off button operation tone power saving power saving mode (screen becomes blank to save power when the watch is in a dark area) display/alert for battery charge level approximate battery life: 7 months for rechargeable battery (normal use without light exposure after charging), 18 months for rechargeable battery (storage in complete darkness with power saving mode after full charge) accuracy accuracy: ±15 seconds per month (without mobile link function) other features hand displacement feature (hands move away from the screen to see digital content clearly) 12/24-hour format date/month display toggle day display (selectable days of the week in six languages) regular time recording: analog: two hands (hours, minutes (minute hand moves every 20 seconds)), one dial (battery charge level, mode) digital display: hours, minutes, seconds, AM/PM, month, date, day size of the case (length × width × height) 49.8 × 44.4 × 12.8 mm weight 165 g