How much does the Casio GA-100 cost?

Manufacturer MSRP is $110 USD. On the secondary market it averages around —.

How big is the Casio GA-100?

The case measures 51.2mm in diameter, 16.9mm thick, with a 55mm lug-to-lug.

What is the water resistance of the Casio GA-100?

The Casio GA-100 is rated to 200m of water resistance.

What kind of crystal does the Casio GA-100 have?

The Casio GA-100 uses a Mineral crystal.

Casio GA-100 (GA-100): Specs & Price

Name: Casio GA-100
Brand: Casio
SKU: GA-100
Price: 110 USD

The market

Market prices.

Retail$110

The forum market

Follow the asking price.

Active listings0Across watch forums

Closed · 90d0Asking-price history

No forum listings tracked for this watch yet. Market+ adds the weekly trend.

Retail stock & market context

Casio on the secondhand market

Not enough to call it

-4.8% to +18.6% · 54 matched watches

Year-by-year readings →

The connection engine

More like this.

Jorg Gray Watches

JG2500

52mm · Quartz$595

AVI-8

P-51 Mustang Blakeslee Chronograph Snoopy Flying Ace

· Quartz$295

Kronaby Hybrid Watches

Kronaby Diver S3778/2, 45.7 mm

45.7mm · Quartz$575

Straton

Straton Daily Driver

44mm · Quartz$299

AVI-8

Hawker Harrier Dual Retrograde Chronograph

44mm · Quartz$310

Jorg Gray Watches

JG8800

48mm · Quartz$395

View all alternatives

The community take

Owners talk.

Owners widely praise the Casio GA-100 for its rugged G-Shock reliability and instrument-like dial aesthetic. Reviewers and owners note its 1/1000th second stopwatch and tachymeter functions, with some appreciating its comfortable fit and stealthy design. However, legibility is a frequent concern; reviewers and owners point out that the analog hands lack lume, the backlight can wash out LCD screens, and the negative display can be difficult to read in certain lighting conditions. Some owners also find the band squeaks or the watch uncomfortable. On balance, owners rate the Casio GA-100 highly for its durable G-Shock heritage and useful features, despite legibility challenges.

Synthesized from 10 sources

On real wrists · 1