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G-Shock GA100-1A1

G-SHOCK GA-100

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7.7
Expert ScoreRead review

The popular G-Shock GA-100 features a large case and is a popular model with law enforcement and other uniformed workers.

$110.00

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List Price: $110 (GA100-1A1)

Size: Large
Dimensions (L x W x H): 55 x 51.2 x 16.9 mm
Weight: 70 grams
Module: 5081 (instruction manual at casio.com)
Battery (Lifespan): CR1220 (approx. 2 years)
Series Launch Year: 2010

Notable Features: World Time, 1/1000-Second Stopwatch, Timer, 5 Daily Alarms, Auto LED Light

See full specifications for GA100-1A1 under “Additional information” tab above.

Suggested Uses: Outdoors

GA100-1A1 at Casio GA100 on Amazon GA100 on eBay

Latest GA-100 News

Recent and Popular GA-100 Releases:

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GA-100 Versus G-100


  • Overview
  • Description
  • Brand/Store
  • Availability
  • User Rating
  • Review
  • Specification
  • Size
  • Dimensions (L x W x H mm)
  • Weight (g)
  • Protection
  • Case Material
  • Bezel Material
  • Band Material
  • Glass
  • Battery
  • Battery Life (Approx.)
  • World Time
  • World Time Zones
  • World Time Cities
  • Daylight Saving Time
  • Stopwatch
  • Stopwatch Unit
  • Stopwatch Max Range
  • Measuring Modes
  • Countdown Timer
  • Countdown Timer Unit
  • Countdown Range
  • Countdown Setting Range
  • Countdown Setting Increment (Lowest)
  • Alarm
  • Hourly Time Signal
  • Light Type
  • Light Color
  • Calendar
  • 12/24-Hour Format
  • Neobrite
  • G-SHOCK GA-100

    G-SHOCK GA-100

    7.7
    $110.00

  • The popular G-Shock GA-100 features a large case and is a popular model with law enforcement and other uniformed workers.

  • In stock
  • -
  • Build
    7
    Functions
    7
    Value
    9

  • Large

  • 55 x 51.2 x 16.9

  • 70

  • 200-Meter Water Resistance, Magnetic Resistant, Shock Resistant

  • Resin

  • Resin

  • Resin

  • Mineral

  • CR1220

  • 2 Years

  • Home/World Time City Swap, World Time

  • 29

  • 48 + UTC

  • DST On/Off

  • Speed Indicator, Stopwatch

  • 1/1000 second

  • 99:59’59.999”

  • elapsed time, lap times, split time

  • Auto-repeat, Countdown Timer

  • 1 second

  • 24 hours

  • 1 minute to 24 hours

  • 1 minute

  • 5 Daily with 1 Snooze

  • Hourly Time Signal

  • 1.5 or 3 Second Afterglow, Auto, LED

  • Amber

  • Full Auto Calendar to 2099

  • 12/24-Hour Format

  • G-SHOCK G-100

    G-SHOCK G-100

    6.8
    $110.00

  • The G-Shock G-100 is a classic analog-digital model that was first launched in 2000. The standard G100-1BV is still available in the U.S. and is usually available discounted at major retailers for around $65.

  • In stock
  • -
  • Build
    7
    Functions
    5.5
    Value
    8

  • Medium

  • 49.6 x 47.8 x 15.7

  • 65

  • 200-Meter Water Resistance, Magnetic Resistant, Shock Resistant

  • Resin

  • Resin

  • Resin

  • Mineral

  • CR2016

  • 3 Years

  • Dual Time

  • Stopwatch

  • 1 second (after first hour), 1/100 second (first hour)

  • 23:59’59.99”

  • elapsed time

  • 1 Daily

  • Afterglow (Fixed), EL (Electro Luminescence), LCD Backlight

  • Blue Green

  • Auto Calendar to 2039

  • 12/24-Hour Format

  • Neobrite

GA100-1A1 at Casio GA100 on Amazon GA100 on eBay

Some specifications (price, material, weight, Neobrite, etc.) for individual models may vary within a series.
About The Specs Catalog | Features Glossary | Specs Home

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7.7Expert Score
G-Shock GA-100 Rating by G-Central
The GA-100 is a best-selling model thanks to its tough and straightforward style. The large case style provides a nice presence that isn't overwhelming.
Build
7
Functions
7
Value
9
PROS
  • The style is a good match for uniforms and workwear.
  • Hands are easy to see.
CONS
  • The LCD display does not have a backlight.
  • Short battery life.
  • No solar options for GA-1XX style.

Specification: G-SHOCK GA-100

Size

Dimensions (L x W x H mm)

55 x 51.2 x 16.9
Weight (g)

70
Protection

, ,

Case Material

Bezel Material

Band Material

Resin
Glass

Battery

CR1220
Battery Life (Approx.)

World Time

,

World Time Zones

29
World Time Cities

48 + UTC
Daylight Saving Time

Stopwatch

,

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 minute
Alarm

Hourly Time Signal

Hourly Time Signal
Light Type

, ,

Light Color

Amber
Calendar

Full Auto Calendar to 2099
12/24-Hour Format

12/24-Hour Format
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