Casio is marking the 30th anniversary of its premium MR-G line with a new flagship diver: the G-Shock Frogman MRG-BF1000EB-1A.
Scheduled for release in June 2026, it is one of the most expensive G-Shock models ever produced.
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The watch carries a retail price of ¥1,210,000 (approximately $7,590) in Japan. Production is limited to 800 numbered units worldwide.
Design and Materials
The bezel is made from Cobarion, a cobalt-chrome alloy roughly four times harder than pure titanium.
Its facets are hand-cut by Japanese gemstone artisan Kazuhito Komatsu, rather than machine-milled.
The metal receives a blue arc ion plating (AIP) finish, which Casio says mimics a brinicle—an underwater ice formation found in polar regions.
Two front screws on the asymmetrical case are set with lab-grown, 57-facet brilliant-cut blue sapphires.
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The core case, case back, crown, and buttons are machined from Ti64 titanium alloy and treated with a titanium carbide (TiC) coating for abrasion resistance.
Dive and Technology Features
The watch has an ISO 200-meter water resistance rating, supported by Casio's Clad Guard Structure with fluoro rubber buffers.
The screw-lock case back features a blue vapor-deposited sapphire crystal and an engraving of the standard Frogman character.
It is fully analog but uses three independent dual-coil motors to drive the hands.
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In dive mode, the hour and minute hands overlap to function as a single indicator for elapsed dive time.
The watch is powered by Casio's Tough Solar charging system and keeps time via Multi-Band 6 radio control and Bluetooth.
When paired with the Casio Watches smartphone app, users can automatically adjust the time, log dive data, and set tide graphs for approximately 3,300 global locations.
Bands and Packaging
The package includes two interchangeable bands: a white Dura Soft fluoro rubber strap for diving, and a deep-hardened pure titanium bracelet.
The lugs feature a quick-release button mechanism for swapping between the two.
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The entire 800-piece run ships in a custom box co-developed with Japanese luggage manufacturer Proteca.
