G-Shock’s Stealthiest “CasiOak” Just Got Way More Affordable

Nearly two-dozen G-Shock watches are selling at a 25 percent discount, including a handful of so-called “CasiOaks.”

Black Casio G-Shock wristwatch with a digital and analog display, worn on a wrist with a dark blue sleeve partially covering the watch. The watch has a rugged design with labels such as "PROTECTION," "MODE," "ADJUST," "START," and "LIGHT" around the bezel.

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By Jack Seemer

Published September 16, 2025

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Updated September 17, 2025

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For a watch nicknamed the “CasiOak” — due to its resemblance to one very famous, very expensive timepiece — the G-Shock 2100 represents a hell of a value.

Since its introduction in 2019, the watch has won over many an enthusiast with its combination of luxury looks, typical G-Shock toughness and overall affordability.

a man wearing a g shock watch — The 2100 series debuted in 2019 to critical acclaim.

While the 2100 retails for more than $5,000 in its most expensive configuration, a majority of examples go between $110 and $330. Or, if you’re savvy, as little as $75 …

A person wearing a bright blue knit beanie and a light gray sweatshirt is holding a smartphone in one hand while the other hand, raised near their face, displays a black Casio G-Shock watch with purple and blue accents. The person has long, dark dreadlocks. — Most 2100 series models retail between $110 and $330, though some can climb to more than $5,000.

Tough, stylish and (extra) affordable

Through September 28, Bloomingdale’s is running a friends and family promotion on nearly two-dozen G-Shock models, including four 2100 series models.

A person with dark skin and short twisted hair is wearing a blue knit sweater over a dark shirt. They are adjusting their black sunglasses with their right hand, which has a black digital wristwatch. The background is a plain, light gray concrete wall. — The GA2100-1A1 (pictured) has a stealthy, blacked-out aesthetic that many G-Shock collectors seek in their watches.

Those watches range from the GM2100-1A and GM2100BB-1A (both of which feature metal bezels) to the resin-based GA2100VB-1A and GA2100-1A1, all with a 25 percent discount.

The latter model is of particular note, as it features a stealthy, blacked-out appearance that many G-Shock buyers seek in their collections.

Of course, a price tag of just $75 doesn’t hurt, either.

Black Casio G-Shock watch with a round digital-analog display, featuring a black resin band and case. The watch face includes analog hour and minute hands, a small sub-dial for the day of the week, and a digital screen showing the date and additional functions. The bezel is octagonal with embossed labels for adjust, mode, light, and start buttons. The watch is rugged and designed for durability with water resistance up to 20 bar.

G-Shock GA2100-1A1

$75 at Bloomingdale's

$100 (25% off)
$110 at Casio

The Bloomingdale’s promotion also covers watches in G-Shock’s 110 and Mudmaster series, but you might want to act fast to take advantage of the sale.

Some of the watches already have “low stock” warnings on their respective product pages.

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About the Author:

Jack Seemer is the executive editor at Gear Patrol, with over a decade of experience in product journalism. He currently reports on a wide range of topics, including footwear, watches, EDC, cookware and more.