Casio G-Shock 2026 Summer Collection Brings Color-Changing Glass and Compact Design
Casio has introduced its G-Shock Summer Resort 2026 series, adding four new models to its lineup. The range includes the GMA-P2100SR-1A, GMA-P2100SR-7A, GM-S2110SR-1A, and GM-S2110SR-7A, combining compact designs with seasonal styling and standard G-Shock durability.

A key design element across all models is the polarized vapor deposition glass. This finish shifts color depending on the viewing angle, creating a changing tint effect. The GMA-P2100SR-1A and GM-S2110SR-7A use green-tinted glass, while the GMA-P2100SR-7A and GM-S2110SR-1A feature a pink tint. Each unit has slight variations due to the coating process, and visibility may vary under certain lighting conditions.


The GM-S2110SR models use an octagonal case with a silver-tone stainless steel bezel. Strap options include a dark gray resin band on the GM-S2110SR-1A and a white resin band on the GM-S2110SR-7A. The GMA-P2100SR models use a round case with a translucent resin bezel and strap, available in black for the -1A variant and clear for the -7A version.
Both series are built in a compact form factor aimed at smaller wrists. The case measures 46 × 40.2 × 11.2 mm and weighs 40 g. Construction includes a resin case and bezel, a resin band, mineral glass, and shock resistance. Water resistance is rated at 200 meters. The watches run on a CR1025 battery with an estimated life of around three years.
Features include world time with 31 time zones covering 48 cities and UTC, a 1/100-second stopwatch, countdown timer up to 24 hours, five daily alarms, and an hourly time signal. Additional functions include double LED lighting for analog and digital displays, full auto calendar to 2099, mute option, ±15 seconds per month accuracy, and 12/24-hour format. The display combines analog hands with a digital panel and includes a hand shift feature.
In Japan, the GMA-P2100SR models are priced at ¥19,800 ($124), while the GM-S2110SR variants cost ¥30,250 ($190). Global availability is expected, though release timelines outside Japan have not been confirmed. Some models are expected to arrive later this month in markets outside of Japan.
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