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New Casio Kanoa Igarashi watch with heart rate monitor now available in US

The GBX-H5600KI-5 Kanoa Iagarashi watch is now available in the US
ⓘ Casio
The GBX-H5600KI-5 Kanoa Iagarashi watch is now available in the US
The Casio GBX-H5600KI-5 Kanoa Igarashi model is now available for purchase in the US. The GBX-H5600KI-5 features Polar-powered training analysis, blood-oxygen measurement, heart rate monitor, sleep tracking, and MIP LCD. Plus, the watch comes with Tough Solar charging and 200 m (20 bar) water resistance.

Last month, Casio unveiled the GBX-H5600KI-5 watch in collaboration with pro surfer Kanoa Iagarashi in Japan. The launch marks the fourth collaboration between G-Shock and Olympic silver medalist Igarashi—something rarely seen in Casio’s collaboration history. The GBX-H5600KI-5 Kanoa Igarashi model is now officially available for purchase in the US via Casio’s official website for $370. 

The design of the GBX-H5600KI-5 Kanoa Igarashi watch is inspired by Ericeira, the Portuguese surf town, which is one of Igarashi’s home training bases. The watch has a dark brown marbled casing complemented by lavender accent text and hues. Another notable design element is the signature of the Kanoa Igarashi, which sits below the watch display. Plus, you can also see his WSL bib number “50” printed on the bio-based resin strap. The watch ships in special ocean-themed packaging.

According to Casio, the GBX-H5600KI-5's carbon fiber-reinforced resin case back is 18 grams lighter than the previous model. Practical features include Polar-powered training analysis, blood oxygen measurement, heart rate monitoring, sleep tracking, Tough Solar charging, and tide graph function. Plus, the watch also has Casio Watches' companion app support, which further enables several features, automatic time adjustment, and more. 

Casio’s latest Kanoa Igarashi watch supports world time across 38 time zones. Other Casio-exclusive features include a 1-second stopwatch, a countdown timer, 4 daily alarms, a battery level indicator, 200 m (20 bar) water resistance, a full auto calendar (up to 2099), and an LED backlight with afterglow.

The GBX-H5600KI-5 Kanoa Iagarashi watch ships in special ocean-themed packaging
ⓘ Casio
The GBX-H5600KI-5 Kanoa Iagarashi watch ships in special ocean-themed packaging

Source(s)

Casio US (link mentioned above)

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2026 08 > New Casio Kanoa Igarashi watch with heart rate monitor now available in US
Abhinav Fating, 2026-08-20 (Update: 2026-08-20)