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The GA-2000 introduced a new style of G-Shock that seemed to be inspired by the design of classic traditional watches (like the three subdials of the Rolex Daytona) more than the usual chunky G-Shock style. This Carbon Core Guard model offered a more conventional look in a lightweight and relatively sleek and compact build. It also introduced quick-release bands that could easily be swapped out with many third-party bands. Although it seemed to have a lot of potential at its launch in 2019 and there have been some attractive models released, the future of the GA-2000 is uncertain, as there were no new releases in 2022.


List Price: $120 (GA2000S-1A)

Size: Medium
Dimensions (L x W x H): 51.2 x 47 x 14.1 mm
Weight: 64 grams
Module: 5590 (instruction manual at casio.com)
Battery Type (Lifespan): SR726W X 2 (approx. 3 years)
Series Launch Year: 2019

Notable Features: World Time, Stopwatch, Countdown Timer (24 hours), 5 Daily Alarms, Double LED Light

See full specifications for GA2000S-1A under “Additional information” tab above.

Suggested Uses: Military, Outdoors, Streetwear

GA2000 on Amazon GA2000 on eBay GA2000S-1A at Casio
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GA2000 on Amazon GA2000 on eBay GA2000S-1A at Casio
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Some specifications (price, material, weight, Neobrite, etc.) for individual models may vary within a series. Some models listed may not be available in all countries.
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Specification: G-SHOCK GA-2000


Dimensions (L x W x H mm)

51.2 x 47 x 14.1

Weight (g)




Case Material


Bezel Material

Band Material





Carbon Core Guard


SR927W X 2

Battery Life (Approx.)

World Time

World Time Zones


World Time Cities

48 + UTC

Daylight Saving Time


Stopwatch Unit


Stopwatch Max Range

Measuring Modes

elapsed time, lap times, split time

Countdown Timer

Countdown Timer Unit

1 second

Countdown Range

Countdown Setting Range

Countdown Setting Increment (Lowest)

1 second


Hourly Time Signal

Hourly Time Signal

Light Type

, , ,

Light Color



Full Auto Calendar to 2099

Button Tone On/Off

Button Tone On/Off

Hand Shift

Hand Shift

12/24-Hour Format

12/24-Hour Format

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