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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteCasio’s two new G-Shocks sit at opposite ends of the range: the sapphire-cased MRG-D5000 Blue Rose Project is reported at £67,000 (about $88,600), while the rugged GDG-B100 Mudman is reported at £200 in the UK. The dollar figure is a conversion of the reported UK price, not a confirmed US price. The MRG-D5000 is a 20-piece collector watch; the Mudman is the practical model, with activity tracking and Bluetooth phone connectivity.
Why one G-Shock costs about $89,000
The MRG-D5000 Blue Rose Project is the extravagant half of the launch. Tom’s Guide reported on 1 October 2026 that it costs £67,000, approximately $88,600, and that only 20 will be made. Those figures are Tom’s Guide’s report; the dollar amount should not be read as a US MSRP, and the limited run makes this a collector piece rather than a watch with broad retail availability. Tom’s Guide’s report
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Sapphire construction and impact protection
According to that report, the bezel and outer case are formed entirely from blue sapphire crystal. The engineering account, attributed there to a Casio press release, describes multiple interacting outer components designed to disperse impacts. It builds on the multi-guard structure introduced with the titanium MRG-B5000 in 2022. The report explains the construction, but does not establish an independently verified Casio US launch price.
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The GDG-B100 is the more practical contrast: a rugged watch described as intended for military and first-responder use, with tools for training and activity tracking. Tom’s Guide reported a UK price of £200. That is a UK-reported price, not a promise of the same price or availability in other markets. Tom’s Guide’s report
#1 Best Overall
Durable design and display
The Mudman has a carbon-fiber-reinforced resin case and sealed buttons intended to help keep out mud and dust. Its memory-in-pixel LCD has a red LED backlight. The report lists three styles: all black, dark green with orange accents, and a sand-colored band with a black bezel.
Activity tools and Bluetooth
Its tracking covers distance, speed, pace, calories, steps, and laps. Stopwatch and interval-timer functions add basic training tools. Bluetooth connects the watch to Casio’s Smartphone Link for activity records and phone alerts. Those connected features do not make it a full smartwatch replacement.
Rank #2
- The product video shows "fluorine elastomer band", but this product is a composite band (resin x fine resin with metal parts embedded). It also features a double locking one-push tri-fold clasp with an extension mechanism that allows you to easily adjust the band when wearing a wetsuit
- G-SHOCK "Frogman" series analog display model with ISO standard 200 m submersible waterproofing to support underwater missions
- Dive mode / Tide graph mode to support diving activities: Dive mode to show diving time and surface rest time. Tide graph mode displays tide information anywhere and current time in that city. Analog display of useful functions for diving activities
- Bluetooth Radio Solar: Support Bluetooth, standard radio wave time correction. Equipped with tough solar, it is stable to drive various functions
- Smartphone Link: Dedicated app allows you to easily set tide data around 3000 locations around the world in the app. You can also check the dive logs on your smartphone and enjoy the data measured on the watch side
How the two watches compare
| Category | MRG-D5000 Blue Rose Project | GDG-B100 Mudman |
|---|---|---|
| Reported price | £67,000, approximately $88,600, as reported by Tom’s Guide on 1 October 2026; the dollar amount is a conversion, not a confirmed US price. | £200 in the UK, as reported by Tom’s Guide on 1 October 2026; local pricing and stock may differ. |
| Materials and design | Blue sapphire crystal bezel and outer case; impact-dispersing outer components, according to the report. | Carbon-fiber-reinforced resin case, sealed buttons, and memory-in-pixel LCD with red LED backlight. |
| Best fit | Collector interest and luxury materials; reported production is limited to 20 pieces. | Rugged use and activity tracking, with Bluetooth phone features. |
| Reported features | Impact-dispersing case engineering; further activity or connected features are not stated in the report. | Distance, speed, pace, calories, steps, laps, stopwatch, interval timer, activity records, and phone alerts through Smartphone Link. |
Where the MRG-D5000 fits in G-Shock’s experimental history
The MRG-D5000 is not the only unusually ambitious G-Shock project. Casio’s G-D001 Dream Project #2 was a separate 40th-anniversary one-off in 2023, made from 18-karat yellow gold and offered through a charity auction. Casio’s UK page describes that historical watch as one worldwide; that figure belongs to the G-D001, not to the MRG-D5000. Casio G-SHOCK UK’s G-D001 page
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Rank #3
- Case size (L× W× H): 49.3 × 43.6 × 13 mm
- Customizable four display modes
Which one is relevant to most buyers?
The MRG-D5000’s reported £67,000 price and 20-piece run place it in collector territory. The GDG-B100 is the model to investigate if you want a rugged watch with built-in activity tools and phone-linked records and alerts. Before buying, check current price, release status, and stock with Casio or a local retailer; the reported UK price does not establish availability in another country.
Quick Recap
Best Value
- Pursuing further toughness while inheriting the DNA of the first G-SHOCK model (DW5000) the GW5000U-1 is constructed with a solid metal case and a screw back
- This timepiece is also equipped with advanced technology, Multi-Band 6 that receives standard radio waves from 6 stations around the world
- Evolved from the G-SHOCK original design that was born in 1983, the GW5000U-1 is a discerning model that boasts technology and a high-quality finish.Case: 48.9 ? 42.8 ? 13.5 mmWeight: 74 gCase and bezel material: Stainless steel / ResinBand: Resin bandConstruction: Shock ResistantWater resistance:200-meter water resistanceTough Solar (Solar powered)Mineral GlassScrew Lock BackStopwatch: 1/100-second stopwatchTimer: Countdown timer; Measuring unit: 1 second; Countdown range: 24 hours; Countdown
Rank #4
- Enhance your style with some seriously sophisticated timekeeping from the 5000 line
- Directly descended from the first-ever G-SHOCK , the GMW-BZ5000 carries on the evolution of function and material in a transformative, unprecedented design
- They kept the iconic form of the original G-SHOCK, while developing a new structure that extends the case all the way to the lugs to even further mitigate shock transmission
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
