GSTB400D-1A
DESIGN
Independent Bezel
The watch features a stainless-steel bezel in a sophisticated shape. With attention to detail, even different facets of the same parts are uniquely finished using different types of finishing technique: hairline, mirror finishes and polishing process. This shows off an impressive array of metallic surface textures that captivate the eye from every angle.
Vapour Deposition Treated Dial
A power-saving module enables the use of an opaquer dial, and highly chromogenic dial colouration is achieved with multilayer vapour deposition. Vapour deposition is applied to the iconic G-STEEL dial indicator and bridge parts as well as parts of the face design, proving the meticulous care taken through the very last detail.
*Above description applies to the GST-B400AD.
Improved Readability
To ensure great readability, as well, a dial indicator at the 9 o’clock position display the mode, battery level and more.
Metal Band with Double Slide Lever
This allows quick and easy change ofthe bands.
TECHNOLOGY
Slimness & Energy-saving Module
Optimized, high-density mounting of the circuit board structure made it possible to slim the module. A substantial reduction in power consumption was also achieved by reducing the number of watch hands to two and adopting a low-power Bluetooth® system. The ability to solar charge with an opaquer dial allowed for a high degree of freedom in dial design.
Carbon Core Guard Structure
Offering strength, lightness and excellent weather resistance, a carbon fibre-reinforced resin case protects the module. Additionally, buffering components made of resin mounted between the upper and lower bezels help absorb external shocks. At just 12.9mm, this is the slimmest case in the G-STEEL line. The newly developed form of the button guards makes it possible to offer generously sized stainless-steel buttons even in this extra-slim design.
* Updating of internal data according to the latest time zone/ daylight saving time information
* The Bluetooth® wordmark and logo are registered trademarks of Bluetooth SIG, Inc. and any use of these marks by Casio Computer Co., Ltd. is under license.
* Apple, Apple logo and iPhone are trademark of Apple Inc. registered in the United States and other countries. App Store is a service mark of Apple Inc.
* IOS is a trademark or registered trademark of Cisco Systems, Inc. registered in the U.S.
* Google Play and the Google Play logo are trademarks of Google Inc.
* All other company and product names are trademarks or registered trademarks of their respective owners.
* List of Countries and Geographic Areas where Product Conforms to Radio Laws or Has Been Approved.
SMARTPHONE LINK
Links with a smartphone for more accurate timekeeping and access to a host of mobile link functions.
SHOCK RESISTANT
Shock-resistant construction protects against impact and vibration.
TOUGH SOLAR
CASIO’s original solar-charging system converts not only sunlight but also light from fluorescent lamps and other sources into power.
G-SHOCK CONNECTED APP
Connection with a phone requires installation of the G-SHOCK CONNECTED App on the phone.
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LED Light (Super Illuminator)
A light emitting diode is used to illuminate the face/display. Super Illuminator uses high-brightness LED for easier reading
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Dual Time
Simultaneous display of the current time in two different time zones
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Daily Alarm, Hourly Time Signal
The daily alarm sounds each day at the time you set. The value indicates how many alarms are available. The hourly time signal causes the watch to beep every hour on the hour
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Stopwatch (1/100 24HR)
Accurate measurement of elapsed time with the touch of a button. The fraction indicates the unit of measurement, while the time figure indicates the maximum time measurement
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Timer (24H)
Counts down from a start time specified by you. The value indicates the number of timers available, while the time figure indicates the maximum starting time. “REPEAT” indicates Auto Repeat, which automatically restarts timing at the end of each countdown
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Beeper Alarm
Beeper tone alarm sounds at the time you set
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Full Auto-Calendar
Allowances are made automatically for months of different lengths, including leap year
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12/24-Hour Timekeeping
Times can be displayed in either 12-hour or 24-hour format
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Battery Level Indicator
Indicator shows the current battery level
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Shock Resistant
Shock-resistant construction protects against impact and vibration
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Water Resistant (20 BAR)
The “BAR” value indicates the number of atmospheres to which water resistance is ensured. 20 BAR means water resistance to 20 atmospheres. Watches marked “200m” have the same water resistance as 20 BAR watches
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Mineral Glass
Hard glass resists scratching
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Crown
Screw-Lock
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Band
Stainless Steel
- Case / bezel material: Resin / Stainless steel
- One-touch 3-fold Clasp
- Solid Band
- Stainless Steel Band
- Shock Resistant
- Neobrite
- Mineral Glass
- Carbon Core Guard structure
- 200-meter water resistance
- Shock resistant (G-SHOCK)
- 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) - Mobile link (Wireless linking using Bluetooth®）
- Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents)
- 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
- Battery level indicator
- Power Saving (display goes blank to save power when the watch is left in the dark)
- Full auto-calendar (to year 2099)
- 12/24-hour format
- Button operation tone on/off
- 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) - Size of case: 46.6×49.6×12.9mm
- Total weight: 160g
- Module: 5675
- UPC: 889232303628
