Casio G-Shock G-Steel GST-B400 Lineup Carbon Core Guard Structure Watch GSTB400BB-1A GST-B400BB-1A

Revel in eclectic sophistication with the G-STEEL fusion of metal and resin components in a popular all-black G-SHOCK.

Tough construction meets stylish design in a black ion-plated metal bezel set against a base of jet black. With its slim combination module and Carbon Core Guard structure, the black-on-black take of the GST-B400 is a cool fashion statement ready for whatever you are.

• CaseÊ/ÊbezelÊmaterial:ÊResin / Stainless steel
• Resin Band
• ShockÊResistant
• Neobrite
• Mineral Glass
• Black ion plated case
• CarbonÊCoreÊGuardÊstructure
• 200-meterÊwaterÊresistance
• Tough Solar (Solar powered)
• 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
• MobileÊlinkÊ(WirelessÊlinkingÊusingÊBluetooth¨)
• 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
• HourlyÊtimeÊsignal
• Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
• BatteryÊlevelÊindicator
• FullÊauto-calendarÊ(toÊyearÊ2099)
• 12/24-hourÊformat
• ButtonÊoperationÊtoneÊon/off
• Power Saving (display goes blank to save power when the watch is left in the dark)
• Date/month display swapping
• Day display (days of the week selectable in six languages)
• 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)
• 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)
• SizeÊofÊcaseÊ:Ê46.6 _ 49.6 _ 12.9 mm
• TotalÊweightÊ:Ê80 g