Casio Released Lightweight GMA-P2110B Watch Models
The compact 37-gram timepieces are now available for purchase in the United States.
Updated on Sept. 26, 2026 in Weight Loss

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Casio has added the GMA-P2110B-1A and GMA-P2110B-5A watch models to its online store in the United States. These new devices, which debuted internationally in August, feature a durable resin design.
Why it matters
For individuals managing their health, lightweight and water-resistant gear can provide durable tracking support during physical activity. These models offer a compact form factor for consistent daily wear.
The watches weigh 37 grams and measure 46 by 40.5 by 11.3 millimeters, featuring a three-year battery life rating. These specifications confirm the design intent of a compact, long-duration wearable.
The players
Casio
A Japanese electronics manufacturer known for its durable G-Shock line of timepieces.
The details
The GMA-P2110B watches are constructed using a combination of resin and bio-based resin, supporting a lighter overall footprint. Each device utilizes module 5730 to manage functions, including world time support for 31 time zones and 48 cities. The build is finished with a monochromatic aesthetic and a metallic bezel ring for impact resistance.
Timeline
July 2026: The watches appeared on a Vietnamese retailer's site.
August 2026: Casio listed the watch models for international markets.
September 16, 2026: Reports indicated no official word on a United States release.
September 2026: The GMA-P2110B models arrived on the Casio United States store.
Health Landscape
The GMA-P2110B release follows the design language established by the Casio G-Shock GMA-P2100 product series. This launch continues a trend of iterating on compact wearable platforms that prioritize durability for active users.
If you are selecting a watch for exercise monitoring, consider how the 37-gram weight and water-resistance rating fit your specific daily routine. It is worth evaluating if these features meet your needs for consistent wear during movement compared to other fitness-focused devices.
The takeaway
The GMA-P2110B models are now available in the United States for $145. When choosing a watch for fitness, look for lightweight, water-resistant materials that ensure comfort during your preferred daily activities.
Further reading
For tips on tracking your physical activity, see our guide to Weight Loss.
Source note: This article includes information reported by Notebookcheck.
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