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Europe, UK: Monday, Aug 31 ~
USA: Friday, Aug 28 ~
Australia: Sunday, Aug 30 ~
Asia: Saturday, Aug 29 ~
UAE: Sunday, Aug 30 ~

Order within 1 Hours 27 mins with Scheduled Delivery. If you place an order within this time, We will ship Friday, Aug 28 2026. This delivery time is calculated by DHL and FedEx. You can check the exact delivery date on checkout page.

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     rincian produk (4,963 characters)
"G-SHOCK"
is a watch that does not break even if dropped, which has created a new concept of toughness in watches.
The octagonal form of the GA-2100, which inherited the design concept of the original G-SHOCK, is retained, but with a smartphone link and tough solar.

[Impact resistant structure, water resistant to 20 bar] G-SHOCK's core technology pursuing toughness Protects the module with an impact resistant structure The unique uneven shape prevents direct impact on glass and buttons.
It can be used in various places and situations such as daily water work, swimming, surfing, jet skiing and other water activities.
[Mobile link function] Functions can be linked by Bluetooth® communication with compatible mobile phones.

[Solar power] Casio's original solar charging system that stably operates various functions with a heavy load by combining a solar panel that generates electricity even with a small amount of light and a large-capacity secondary battery.
[Other product specifications] Needle retract function / World time / LED light / Stopwatch / Timer / Time alarm / Power saving function / Battery indicator display / Fully automatic calendar / 12/24 Time system display switching Inheriting the design concept of the first G-SHOCK However, the octagonal shape of the GA-2100 remains the same, but it is equipped with a smartphone link and tough solar.
Newly developed thin module with optimized board layout to cope with the increase in the number of parts due to higher functionality
By combining with the carbon core guard structure, the size feeling of the conventional model is kept.
The blue, green, and yellow case and band colors are a reproduction of the first color used in the 5600 series.
The three models, blue, green and all black, are all finished with minimal coloring.

・ Impact resistant structure
・ Tough solar (solar charging system)
・ 20 ATM water resistant function
・ Mobile link function (function interlocking with compatible mobile phones by Bluetooth® communication)
・ Needle evacuation function (If the needle overlaps with the LCD display and is difficult to see, the needle can be temporarily retracted from above the LCD display).
・ World time: 38 cities around the world (38 time zones, with automatic summer time setting function) + UTC (Coordinated Universal Time) time display, home time city replacement function
・ Stopwatch (1/100 second (less than 1 hour) / 1 second (1 hour or more), 24-hour counter, with lap / split)
・ Timer (set unit: 1 second, maximum set: 60 minutes, measured in 1 second unit)
・ 5 time alarms
・ Time signal
・ Battery indicator display
・ Power saving function (In dark places, the display is turned off after a certain period of time to save power)
・ Fully automatic calendar
・ 12/24 hourly display switching
・ Operation sound ON / OFF switching function
・ Date display (month / day display replacement)
・ Day of the week display (switching between 6 languages: English, West, French, German, Italian, and Russian)
-Double LED light: LED light for dial (with super illuminator, afterglow function, afterglow time switching (1.5 seconds / 3 seconds)), LED backlight for LCD part (super illuminator, afterglow function, afterglow time switching (1.5 seconds)) With seconds / 3 seconds)
・ Mobile link function
・ Automatic time adjustment
・ Easy clock setting
・ World time approx. 300 cities
・ Mobile phone search
・ Time &
Place Reminder * Installation of the dedicated app "G-SHOCK WATCHES"
is required to connect to a smartphone.
Compatible with our designated iPhone and Android smartphones
Please check the CASIO homepage for details such as the terminal whose operation has been confirmed and the OS compatibility status.
* Limited to devices equipped with Bluetooth
* Bluetooth is a registered trademark of Bluetooth SIG, Inc.
* "IPhone"
is a trademark or registered trademark of Apple Inc. registered in the United States and other countries.
* "Android"
and "Android logo"
are trademarks or registered trademarks of Google LLC.
* Other company names and product names are trademarks or registered trademarks of each company.
* GA-B2100 and GA-B2100C are certified by the Radio Law of Japan.
* The mobile link function depends on the specifications of the mobile phone and the service of the carrier in the country of use, and varies from individual to individual.
[Set contents] Main unit, box, instruction manual, warranty card are attached to the instruction manual
GROUP: GA-B2100

Tags:

Navy blue  


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CASIO G-SHOCK Bluetooth equipp... 4549526322990 "G-SHOCK"
is a watch that does not break even if dropped, which has created a new concept of toughness in watches.
The octagonal form of the GA-2100, which inherited the design concept of the original G-SHOCK, is retained, but with a smartphone link and tough solar.

[Impact resistant structure, water resistant to 20 bar] G-SHOCK's core technology pursuing toughness Protects the module with an impact resistant structure The unique uneven shape prevents direct impact on glass and buttons.
It can be used in various places and situations such as daily water work, swimming, surfing, jet skiing and other water activities.
[Mobile link function] Functions can be linked by Bluetooth® communication with compatible mobile phones.

[Solar power] Casio's original solar charging system that stably operates various functions with a heavy load by combining a solar panel that generates electricity even with a small amount of light and a large-capacity secondary battery.
[Other product specifications] Needle retract function / World time / LED light / Stopwatch / Timer / Time alarm / Power saving function / Battery indicator display / Fully automatic calendar / 12/24 Time system display switching Inheriting the design concept of the first G-SHOCK However, the octagonal shape of the GA-2100 remains the same, but it is equipped with a smartphone link and tough solar.
Newly developed thin module with optimized board layout to cope with the increase in the number of parts due to higher functionality
By combining with the carbon core guard structure, the size feeling of the conventional model is kept.
The blue, green, and yellow case and band colors are a reproduction of the first color used in the 5600 series.
The three models, blue, green and all black, are all finished with minimal coloring.

・ Impact resistant structure
・ Tough solar (solar charging system)
・ 20 ATM water resistant function
・ Mobile link function (function interlocking with compatible mobile phones by Bluetooth® communication)
・ Needle evacuation function (If the needle overlaps with the LCD display and is difficult to see, the needle can be temporarily retracted from above the LCD display).
・ World time: 38 cities around the world (38 time zones, with automatic summer time setting function) + UTC (Coordinated Universal Time) time display, home time city replacement function
・ Stopwatch (1/100 second (less than 1 hour) / 1 second (1 hour or more), 24-hour counter, with lap / split)
・ Timer (set unit: 1 second, maximum set: 60 minutes, measured in 1 second unit)
・ 5 time alarms
・ Time signal
・ Battery indicator display
・ Power saving function (In dark places, the display is turned off after a certain period of time to save power)
・ Fully automatic calendar
・ 12/24 hourly display switching
・ Operation sound ON / OFF switching function
・ Date display (month / day display replacement)
・ Day of the week display (switching between 6 languages: English, West, French, German, Italian, and Russian)
-Double LED light: LED light for dial (with super illuminator, afterglow function, afterglow time switching (1.5 seconds / 3 seconds)), LED backlight for LCD part (super illuminator, afterglow function, afterglow time switching (1.5 seconds)) With seconds / 3 seconds)
・ Mobile link function
・ Automatic time adjustment
・ Easy clock setting
・ World time approx. 300 cities
・ Mobile phone search
・ Time &
Place Reminder * Installation of the dedicated app "G-SHOCK WATCHES"
is required to connect to a smartphone.
Compatible with our designated iPhone and Android smartphones
Please check the CASIO homepage for details such as the terminal whose operation has been confirmed and the OS compatibility status.
* Limited to devices equipped with Bluetooth
* Bluetooth is a registered trademark of Bluetooth SIG, Inc.
* "IPhone"
is a trademark or registered trademark of Apple Inc. registered in the United States and other countries.
* "Android"
and "Android logo"
are trademarks or registered trademarks of Google LLC.
* Other company names and product names are trademarks or registered trademarks of each company.
* GA-B2100 and GA-B2100C are certified by the Radio Law of Japan.
* The mobile link function depends on the specifications of the mobile phone and the service of the carrier in the country of use, and varies from individual to individual.
[Set contents] Main unit, box, instruction manual, warranty card are attached to the instruction manual
GROUP: GA-B2100
57130
4549526322990 In Stock
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