Casio GSTB400-1A men's G-Shock g-steel black ana-digi dial watch is offered, in a silver tone resin case. This watch measures 47mm across and 13mm thick. This watch has a fixed bezel and a smooth push/pull main crown with function pushers. Casio GSTB400-1A is equipped with a black resin strap. Securing the strap is a pin buckle clasp made in stainless steel.
The dial is black analog-digital and it features conservatively sized, index hour markers and white accents silver tone and black luminous sword shaped hands for optimum legibility. Casio GSTB400-1A also features a shock resistant, carbon core guard structure, mobile link (wireless linking using Bluetooth®), auto time adjustment, easy watch setting, approximately 300 world time cities, time and place, reminder, phone finder, world time: 38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (dst) switching, home city/world time city swapping, 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, lap/split time, countdown timer: measuring unit: 1 second, countdown range: 60 minutes, countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments), 5 daily alarms, hourly time signal, double LED light, LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow), LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow), LED: white, full auto-calendar (to year 2099), button operation tone on/off, power Saving (display goes blank to save power when the watch is left in the dark), battery level indicator, run time: approx. battery operating time: 7 months on rechargeable battery (operation period with normal use without exposure to light after charge), 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge), 12/24-hour format, date/month display swapping, day display (days of the week selectable in six languages), hand shift feature (hands move out of the way to provide an unobstructed view of digital display contents.), regular timekeeping: analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode), digital: hour, minute, second, pm, month, date, day, accuracy: ±15 seconds per month (with no mobile link function). This timepiece has a mineral crystal for scratch resistance. Driving this fine watch is tough solar (solar powered) quartz mechanism. The water resistance comes in at 200 meters. The Casio GSTB400-1A watch is brand new in its original packaging and is backed by a 1 year My Gift Stop limited warranty.