GST-B400D-1A

Basic information Case size (length × width × height) 46.6 × 49.6 × 12.9 mm Weight 160 g Case and bezel material Resin / stainless steel Strap Plain strap Stainless steel strap Triple fold clasp with one-touch Build Shock resistant Basic carbon protection structure Water resistance Water resistant up to 200 meters Power source and battery life Tough Solar (solar powered) Watch features World time World time 38 time zones (38 cities + Coordinated Universal Time), display city codes, display city names, toggle daylight saving time on/off, automatic switch to daylight saving time (DST), switch local city/UTC city Stopwatch Accurate to 1/100 second, measurement capacity: from 00'00''00 to 59'59''99 approximately (first 60 minutes) and from 1:00'00 to 23:59'59 approximately (after 60 minutes) Measurement units: 1/100 second (first 60 minutes), one second (after 60 minutes) Modes: Elapsed time, lap/split time Timer Timer unit: one second Countdown range: 60 minutes Start time setting range: from one second to 60 minutes (with one-second increment, and one-minute increment) Alarm / Hourly time signal 5 daily alarms Hourly time signal Light Dual LED light for the watch face (high-intensity light, adjustable illumination duration (1.5 seconds or 3 seconds), dusk-to-dawn illumination) Backlight with digital display LED technology (high-intensity light, adjustable illumination duration (1.5 seconds or 3 seconds), dusk-to-dawn illumination) Light color LED: White Calendar Full automatic calendar (up to year 2099) Mute feature Enable/disable button tone Power saving Power saving mode (screen turns off to save power when the watch is in a dark area) Display/battery level alert Battery level indicator Operating time 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 enabled after full charge) Accuracy Accuracy: ±15 seconds per month (without mobile link function)