Casio Refines the Iconic G-Shock 'CasiOak' With a Slim, Monochrome Update

Casio brings its refined GMA-P2110B series to new markets, offering a compact, metallic-accented take on the fan-favorite octagonal G-Shock design.

Author: Hana Lee
Date: Wednesday, September 16, 2026 at 01:37 AM
The Casio G-Shock GMA-P2110B-1A and GMA-P2110B-5A featuring monochromatic designs and metallic bezel rings.
The GMA-P2110B series brings a refined, slimmed-down octagonal aesthetic to the G-Shock lineup.
Casio

Casio is expanding the reach of its latest G-Shock refinements, bringing the GMA-P2110B-1A and GMA-P2110B-5A to new international markets. These models serve as a sophisticated, monochromatic evolution of the wildly popular GA-2100 series, often affectionately dubbed the 'CasiOak.' By blending a compact octagonal profile with a premium metal bezel ring, Casio is targeting users who want the legendary durability of a G-Shock without the bulk typically associated with the brand's more rugged, oversized timepieces.

Measuring just 11.3 mm in thickness and weighing a modest 37 grams, these watches are designed for daily comfort rather than extreme tactical utility. Despite the slimmed-down dimensions, they retain the core DNA that makes the G-Shock line a staple for collectors and active users alike. The standout design feature here is the metallic bezel ring inset, which provides a subtle, light-catching contrast against the matte, bio-based resin chassis. The GMA-P2110B-1A leans into a stealthy, all-black aesthetic, while the GMA-P2110B-5A offers a warmer, earthy brown finish that feels both modern and understated.

Performance Meets Compact Utility

The Casio G-Shock GMA-P2110-1A comes with a black finish - Casio Refines the Iconic G-Shock 'CasiOak' With a Slim, Monochrome Update
The Casio G-Shock GMA-P2110-1A comes with a black finish. (Photo: Casio)

Beyond the refreshed aesthetics, the GMA-P2110B series remains a functional workhorse. Beneath the surface, these watches are packed with the standard suite of digital tools enthusiasts expect. The feature set includes world time across 48 cities and 31 time zones, a 24-hour countdown timer, a 1/100-second stopwatch, and five daily alarms. For those who track dates, the full auto-calendar is programmed out to the year 2099.

Durability remains uncompromised, boasting a 200-meter water resistance rating that ensures the watch can survive everything from a heavy downpour to a swimming session. The internal CR1025 battery is rated for approximately three years of life, keeping maintenance low for the long haul. With an accuracy rating of plus or minus 15 seconds per month, this series balances the convenience of a quartz movement with the reliable build quality Casio is famous for.

Pricing and Market Availability

The Casio G-Shock GMA-P2110-5A comes with a brown finish - Casio Refines the Iconic G-Shock 'CasiOak' With a Slim, Monochrome Update
The Casio G-Shock GMA-P2110-5A comes with a brown finish. (Photo: Casio)

For those looking to add these to their collection, the watches are currently rolling out to authorized retailers with a retail price of approximately $110 (₹9,195). While they have gained significant traction in their initial international rollout, the recent availability in India signals Casio's commitment to maintaining a wide footprint for its more experimental, design-focused lines. Whether you prefer the classic utility of the black finish or the softer, contemporary look of the brown model, these watches offer a compelling entry point for those seeking a G-Shock that transitions easily from the gym to the office.

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FAQ: Frequently Asked Questions about Casio Refines the Iconic G

Quick answers to key questions regarding pricing, specs, release date, and value.

Q1What is the price of the new Casio G-Shock GMA-P2110B models?
The watches are priced at approximately $110 (₹9,195) each.
Q2Are these watches water-resistant?
Yes, both models feature 200-meter (20 bar) water resistance, making them suitable for swimming and water sports.
Q3What is the battery life of the GMA-P2110B series?
The watches are powered by a CR1025 cell, which is rated to provide approximately three years of battery life.

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