TOKYO, March 17, 2021 — Casio Computer Co., Ltd. announced today release of four new GST-B400 watches, the latest additions to the G-SHOCK family of shock-resistant watches. The new watches boast the slimmest *1 profile of any in the G-STEEL series, which is known for using appealing combinations of different materials.
- *1 Based on a Casio survey as of March 17, 2021, in comparison with other G-STEEL watches.
Presenting a stylishly designed look, the new GST-B400 watches deliver the slimmest case of any G-STEEL yet, at just 12.9 mm. They feature a new, improved module built to deliver slimness. Casio achieved new heights in both areas by reducing the number and size of components in the module and employing high-density mounting with a flatter, optimized layout. Using only two watch hands and running on a low-power Bluetooth ® system, the GST-B400 models consume 55.7% less power than their predecessor. *2 The lower power requirement means the dial does not have to be as light-transmissive, offering improve the dial design. Treatments applied to designed inset dial parts and elsewhere give the watch face a look of enhanced metallic texture. With a dial indicator at the 9 o’clock position to display the mode, battery level and more, Casio took great pains to ensure great readability, as well.
- *2 The GST-B200.
Both the GST-B400AD and GST-B400BD models feature multilayer vapor deposition-treated dials for highly chromogenic and distinctive coloration. Multiple layers of clear coatings are applied to shape the appearance of the light, taking advantage of the chromatic expression made possible by vapor deposition. Numerous tests led to the choice of vapor deposition treatments in a chic shade of blue and a newly developed deep red hue.
These watches’ functionality is as impressive as their design. High-convenience timekeeping features include automatic time adjustment when paired with a smartphone installed with the dedicated app and a Time & Place function that allows the user to log the current time and position on a map in the app with just the press of a button on the watch. Other features offering outstanding practicality include a Reminder setting that helps users keep track of upcoming events they set in the app, as well as a high-brightness double LED light that maintains watch readability in the dark.
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Models
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Band material
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Color
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GST-B400
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Resin
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Black
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GST-B400D
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Stainless steel
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Silver
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GST-B400AD
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Stainless steel
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Red × Black
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GST-B400BD
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Stainless steel
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Blue
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Specifications
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Construction
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Shock-resistant
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Water Resistance
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200 meters
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Communication Specifications
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Communication Standard
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Bluetooth
®
low energy
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Signal Range
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Up to 2 meters (may differ depending on surrounding conditions)
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World Time
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38 time zones
*
(38 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching, home city/world time city swapping
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Stopwatch
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1/100 second (00'00"00 to 59'59"99) /1 second (1:00'00" to 23:59'59"); measuring capacity: 23:59'59.99"; measuring modes: elapsed time, lap/split time
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Countdown Timer
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Measuring unit: 1 second (maximum 1 hours)
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Alarm
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5 daily alarms; hourly time signal
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Other Functions
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Smartphone Link functions (world time: over 300 cities, automatic time adjustment, easy watch setting, Time & Place; Reminder; Phone Finder); hand shift feature; date/month display swapping; day display (in English, Spanish, French, German, Italian or Russian); full auto-calendar; 12/24-hour format; button operation tone on/off; battery level indicator; Double LED light (Super Illuminator and afterglow: 1.5 seconds or 3 seconds)
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Power Source
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Tough Solar power system (solar-charging system)
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Continuous Operation
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About 18 months with the power-saving function
*
ON after full charge
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Size of Case
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46.6×49.6×12.9mm
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Total Weight
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GST-B400: Approx. 80g
GST-B400D/B400AD/B400BD: Approx. 160g |
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- The Bluetooth ® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Casio Computer Co., Ltd. is under license.