Casio Announces New G-SHOCK Watch with Heart Rate Monitoring and Tide Graph Features

Casio Computer Co., Ltd. Is preparing to release a new G-SHOCK watch featuring integrated heart rate monitoring and tide graph functionality, according to a recent announcement distributed via PR Newswire.

The upcoming model combines health tracking capabilities with marine-oriented features, targeting users who engage in both fitness activities and water-based sports such as surfing, sailing, or fishing. This dual-focus approach reflects Casio’s ongoing effort to merge rugged durability with specialized sensors for active lifestyles.

Leaked internal documentation and product visuals have provided additional insight into the device’s specifications, and timeline. Images circulating online, identified as originating from an internal Casio product catalog, indicate a planned release in May 2026. The visuals show a square-shaped case design consistent with the G-LIDE and G-SQUAD series, featuring a digital display with space allocated for both heart rate data and tidal information.

The watch is expected to include an optical heart rate sensor located on the rear of the case, capable of measuring beats per minute, tracking heart rate zones during exercise, and analyzing recovery patterns during sleep. These capabilities align with those found in Casio’s existing G-SQUAD line, particularly models like the DW-H5600, which already support multi-sport tracking, step counting, calorie estimation, and breathing guidance.

In addition to biometric monitoring, the device will incorporate a tide graph function that displays lunar phase data and tidal movements — a hallmark of Casio’s G-LIDE series popular among coastal athletes and ocean enthusiasts. The integration of this feature into a heart rate-enabled model suggests a hybrid design philosophy, aiming to serve users who require both fitness analytics and marine data in a single timepiece.

Connectivity features are anticipated to include Bluetooth pairing with smartphones, enabling notification alerts and GPS-assisted tracking for improved accuracy in distance and speed measurement during workouts. While the watch will rely on a paired phone for GPS data, it is expected to store detailed activity logs internally, including lap times, distance traveled, and heart rate averages across multiple training sessions.

Power management will likely utilize Casio’s Tough Solar technology, which converts ambient light into electrical energy to extend battery life. This power system has been a standard in many G-SHOCK models and is expected to reduce the need for frequent charging, supporting extended use during outdoor excursions.

Design elements observed in leaked images include a resin or composite case with a stainless steel bezel variant, square-shaped silhouette, and a display layout featuring clear segmentation for time, date, heart rate, and tide data. The strap appears to be made of durable resin, with branding consistent with the G-LIDE line on certain color variants.

Two color configurations have been referenced in early reports: a black variant (designated GBX-H5600-1) and a light blue option (GBX-H5600-2). Both versions are expected to emphasize water resistance and shock absorption, maintaining the G-SHOCK standard for durability in harsh environments.

The development represents a continuation of Casio’s strategy to expand the functionality of its G-SHOCK line beyond basic timekeeping into specialized health and environmental monitoring. By combining physiological sensors with aquatic data tools, the company aims to address the needs of users who participate in activities where both physical exertion and tidal conditions influence performance and safety.

As of late April 2026, Casio has not issued an official global release date or pricing details for the new model. However, based on the leaked internal timeline and prior product rollout patterns, availability is anticipated to begin in select markets during mid-2026, with broader distribution expected to follow in the months after the initial launch.