Casio has released its latest fitness-oriented digital watches, the G-Shock G-Lide GBX-H5600 series, in the US market. Following an initial launch in Japan earlier this spring, the new models are now available for $330. The GBX-H5600 integrates modern health tracking hardware, including an optical heart rate monitor, into the familiar square G-Shock profile, specifically targeting surfers and outdoor users.

Design Details

The lineup debuts with two models: the black GBX-H5600-1 and the blue GBX-H5600-2. Both feature a translucent bezel and a solid band made from bio-based resin. Casio has managed to reduce the weight of these watches to 47 grams, making them roughly 12 grams lighter than the older DW-H5600 models. This weight reduction is primarily due to a new case back constructed from carbon fiber-reinforced resin.

For the display, Casio is using a high-resolution Memory-in-Pixel (MIP) LCD. MIP panels are standard for outdoor sports watches because they remain highly legible in direct sunlight, which is a necessary practical feature for a device intended for the beach.

Internally, the GBX-H5600 functions as a standard fitness tracker. It includes an optical sensor for heart rate monitoring and blood oxygen level estimates, along with a three-axis accelerometer to track steps, distance, and pace. The software supports multi-sport tracking, sleep analysis, and cardio load measurements.

Because this watch is part of the surf-focused G-Lide series, it also includes tide graphs, moon phase data, and sunrise/sunset times. The watch can be connected to the smartphone app via Bluetooth to load location-specific tide patterns from a database of about 3,300 global surf spots directly to the device.

As a connected watch, it handles basic smart functions. It mirrors smartphone notifications for calls, emails, and social media, and includes a phone finder feature alongside automatic time adjustment.

Power management relies on a hybrid system of USB and solar-assisted charging. If you leave the heart rate monitor running continuously during activities, the battery lasts a maximum of 35 hours. If you turn off the heart rate tracking and use it as a standard digital watch, a single charge lasts about a month. The power-saving mode extends that standby time to roughly 11 months.

In related news, Casio has recently brought its Japanese red lantern-inspired Aka-Chochin G-Shock watches to the US, while also unveiling a new translucent G-Shock model influenced by 1990s streetwear culture.

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(Casio US 1,2)

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Casio is releasing two new G-Shock watches in the US this month. The DW-6900AKA-4 and DW-5600AKA-4, which originally debuted in Japan in April, are now available stateside for $190 each. Both watches are part of the Aka-Chochin series, a lineup designed to look like the traditional red paper lanterns often hung outside taverns in Japan.

Design Details

From a design perspective, the updates here are cosmetic. Both models feature a red case and band made from bio-based resin, a material Casio has been using more frequently across its recent lineups as an alternative to standard plastics. To contrast the red exterior, the watches use black buttons and a black band loop, a detail meant to resemble the dark lacquered holders of the paper lanterns.

On the dial, Casio added kanji characters that translate to shock resistance. Another detail tied to the theme is the LED backlight. Instead of the standard white light, these models use a warmer, orange-tinted glow to mimic a lit lantern in the dark. The watches also include a custom engraving on the case back and ship in themed packaging.

Underneath the red resin, these are standard 5600 and 6900 series G-Shocks. The DW-5600AKA-4 uses the familiar square case design, measuring 48.9 by 42.8 by 13.4 mm and weighing 53 grams. The DW-6900AKA-4 has the classic rounded shape with the triple-graph display, measuring slightly larger at 53.2 by 50 by 18.7 mm and weighing 67 grams.

Both watches offer the standard durability associated with the brand, including basic shock resistance and 200 meters of water resistance. They use a mineral glass display and run on a CR2016 battery, which Casio says should last about five years.

The feature set is identical across both models, including a 1/100-second stopwatch, a 24-hour countdown timer, multi-function alarms, a full auto-calendar, and a flash alert function that links the backlight to the alarm buzzer.

Both the DW-6900AKA-4 and DW-5600AKA-4 are available to purchase now through Casio’s website and standard retail channels.

In related news, Casio has recently unveiled a new translucent G-Shock inspired by 1990s streetwear aesthetics, and also introduced the vintage-style AQ230A-7DMQY watch with a stainless steel bracelet in the US market.

For more daily updates, please visit our News Section.

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(Casio 1,2)

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