Casio is expanding its rugged Master of G lineup with three new models, all featuring a unified Horizon Gold color scheme.
The watches are now available for pre-order in Japan, with an official retail release expected later this month.
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The new additions span the Mudman, Mudmaster, and Gravitymaster sub-brands, each offering distinct features tailored to different outdoor and aviation needs.
Mudman GW-9500MH-5: The Digital Workhorse
The Mudman GW-9500MH-5 is the most expensive of the trio, priced at ¥63,800 (approximately $404).
It features a fully digital display with Casio's duplex LCD technology, which overlays a digital compass on the standard readouts for improved legibility.
Powered by Casio's Tough Solar system and Multi-Band 6 radio-controlled time calibration, this model includes a Triple Sensor setup for measuring compass bearing, altitude, barometric pressure, and temperature.
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Its Carbon Core Guard structure ensures dust and mud resistance.
Mudmaster GG-B100XMH-5A: Hybrid Display with Bluetooth
The Mudmaster GG-B100XMH-5A is priced at ¥60,500 (around $383) and features an analog-digital hybrid display.
It comes with a stainless-steel bezel and a carbon fiber-reinforced resin case.
Unlike the Mudman, this model runs on a standard CR2025 coin-cell battery.
It adds a 3-axis step counter to the sensor array, along with Bluetooth connectivity for syncing with the Casio Watches app, enabling automatic time adjustment, location memory, and mission log tracking.
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Gravitymaster GR-B300H-5A: Aviation-Oriented Simplicity
The Gravitymaster GR-B300H-5A, priced at ¥49,500 (about $314), is designed for aviation use. It drops environmental sensors in favor of a straightforward analog-only dual-time display.
It includes a rotary disc indicator at the 9 o'clock position to show alarm status and battery levels.
This model brings back solar charging and retains Bluetooth connectivity for features like flight logging.
All three watches maintain Casio's standard 200-meter water resistance and shock-proof construction.
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They are currently up for pre-order in Japan ahead of their official retail release later this month.
