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Round black dial with blue accents on a carbon-reinforced resin case, blue and black resin strap with buckle clasp

CASIO

CASIO Ga2000-1A2 G-Shock watch Blue/Black 51.2mm Carbon/Resin

SKU CH-Z3NP-Q1VGZ MPN Ga2000-1A2

A G-Shock diver's watch with carbon core guard case, 200m water resistance, world time for 48 cities, dual LED lights with 1.5/3-second afterglow, and quick-release resin band

  • Watch movementQuartz
  • Product shapeRound
  • Watch face colorBlack
  • Dial markingsIndex
  • Display typeAnalog and Digital
  • Date displayDate
  • Shock-resistant Carbon Core Guard case protects against heavy impacts
  • 200-metre water resistance suits professional diving and water sports
  • Dual LED Super Illuminator lights the dial and LCD in darkness
  • World time covers 48 cities plus UTC with DST control
  • Quick-release band system allows strap changes without tools

Purpose and audience

The Casio Ga2000-1A2 is a G-Shock watch built with a Carbon Core Guard case for men who need a tough, lightweight timepiece. It suits outdoor work, water sports and daily wear where shock and water resistance matter.

Installation and common issues

The watch arrives ready to wear with a pre-fitted resin band and buckle clasp. A quick-release mechanism lets you swap straps without tools, though the spring bars can be stiff on first removal. Setting the dual analog-digital display and world time for 48 cities follows the standard four-button procedure; the manual covers each mode clearly.

Sustained load behaviour

The quartz movement runs continuously from its internal cell while the dual LED lights provide 1.5 or 3 second afterglow on demand. Shock resistance and 200m water resistance hold up during prolonged activity, and the mineral crystal resists everyday scratches. Functions such as the 1/100 second stopwatch, countdown timer and five alarms operate independently without draining the system.

How it compares

Measured against everything we stock in Analog & Digital Wristwatches, at today’s prices. Recalculated every night.

Price $107.99
Cheaper than about 56% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameCASIO
Design styleDiver's
Watch face colorBlack
Item conditionNew
Display
Display typeAnalog and Digital
Size & build
Main materialResin
Product shapeRound
Strap materialResin
Closure typeBuckle Clasp
Bezel typeFixed Bezel
Housing materialResin
Case size51 mm
Watch glassMineral Crystal
Environment & compliance
Water resistance200m
More details
Watch movementQuartz
Dial markingsIndex
Date displayDate
Suitable forMale

Questions about this item

How do I verify the dual LED lights are working after setup?

Press the light button; the Super Illuminator LED and LCD backlight should glow with a 1.5 or 3-second afterglow.

What comes in the box and what must be bought separately?

The watch with carbon core guard case, resin band and buckle clasp is included; alternative Velcro, Cordura or cloth quick-release bands are sold separately.

Which version should I choose for 200-metre water resistance and world time?

This GA-2000 model provides 200m water resistance, world time for 48 cities plus UTC, stopwatch, timer, alarms and dual LED illumination.

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