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Casio G-Shock MRGBF1000B-1A MR-G LIMITED EDITION FROGMAN Titanium Solar Watch


1 in stock


  • 30 day returns
  • Free shipping
  • Secure checkout
  • 6-month warranty

At a Glance

A premium, full-metal G-SHOCK MR-G timepiece for the sea – the titanium armor-clad, airtight MRG-BF1000 with ISO 200-meter water resistance – joins the FROGMAN family of full-fledged diver’s watches.
This MR-G diver’s watch takes the unique asymmetrical design, screw-lock case back and distinctive diving frog character – which were so popular when FROGMAN came out back in 1993 – to a whole new level.
Originally produced in resin, the complex design has now been remade in titanium, with each component crafted separately and polished meticulously for an entirely new feel of high-end quality. The watch is built with an intricate combination of over 70 exterior components, including an O-ring waterproof seal to deliver outstanding FROGMAN water resistance and special buffers to strengthen the shock-resistant structure – all while maintaining the beauty of form the MR-G line is known for.

For enhanced strength, we have developed a protective structure with fluoro rubber buffers installed between the multiple bezel parts. This structure features face-guarding functionality that helps to absorb shocks from the front and the sides, as well as protecting the crystal.

The dedicated MR-G module features a gold-plated retainer plate. The screw-lock case back is fit with sapphire crystal finished in red vapor deposition and engraved with the iconic FROGMAN diving frog character.
The titanium band is finished with a deep-layer hardening process and DLC coating. The band is also extendable so it can even be worn over a wetsuit. Simply remove the side pins while pressing the buttons on the lugs’ undersides to quickly and easily swap out the band.

More than just handsome, this timepiece provides superior functionality, as well. Equipped with Bluetooth®, the hour and minute hands overlap and work in unison to form a single hand when in diving mode, making the minutes spent underwater easy and intuitive to see and delivering high visibility. Download the dedicated app to pair with your smartphone and easily display tide data for more than 3,000 locations around the world. Check dive logs on your smartphone and get more details on data tracked by your watch.

Returns will only be accepted if product is in original packaging and protectant film is in place.


  • Tough Solar Power
  • Bluetooth Smartphone Link
  • Mult-Band 6 Atomic Timekeeping
  • Extremely Rare Limited Edition

1. Highly airtight titanium exterior with multi-component structure offering ISO 200-metre water resistance

Lightweight, rust-resistant titanium is used for key exterior components – from the case, bezel, and case back, to the crown, buttons, and screws. The watch is made up of an intricate combination of over 70 exterior components, achieving a powerful and beautiful form. A protective structure offers face-guarding functionality with buffers made of fluoro rubber installed in the space between the bezel and case. A deep-layer hardening process and diamond-like-carbon (DLC) coating provide even greater strength and abrasion resistance. The case incorporates a crown and case back that both feature a screw-lock construction. These and other features throughout the design keep the watch air-tight to ensure water resistance for diving.

2. Titanium band designed for textural appeal and fit

The watch features a specially developed titanium band that offers a comfortable fit on the wrist thanks to its many moveable parts. Every link is painstakingly treated with a deep-layer hardening process and DLC coating prior to assembly, giving the band a premium-quality, intricate finish. The band is also extendable so it can even be worn over a wetsuit. Simply remove the side pins while pressing the buttons on the lugs’ underside to quickly and easily swap out the band.

3. Screw-lock case back made with an inventive combination of materials

Sapphire crystal is press-fit into the pure-titanium screw-lock case back, ensuring a highly airtight structure while improving the built-in antenna’s radio wave reception sensitivity. Casio passion for refinement, down to the finest details, is evident everywhere in the design, including an engraved first-generation FROGMAN diving frog character.

*Due to the screw-lock construction of the case back, the orientation of the logo and lettering on it may not match up perfectly with the dial.

4. Deep red accent colour for a striking sense of presence

The dial ring and inset dial ring feature accents in the G-SHOCK brand colour of red, creating a vibrant contrast with the base tone of black to express both strength and beauty. Red vapour deposition is applied to the case back’s sapphire crystal as well.

Included with Purchase

  • Casio G-Shock MRGBF1000B-1A Limited Edition
  • Outer Casio Box
  • Inner MR-G Limited Edition Box
  • Instruction Module
  • 1 Year Casio International Warranty


Clad Guard Structure: Adapted for diving – Protective parts are built into the crown and buttons to help absorb impacts to the module. The crown features an airtight screw-lock construction and incorporates buffering components made of highly water-resistant fluoro rubber. A special construction keeps the MR-G logo, engraved on the crown, horizontally aligned when the crown is screw-locked

Dive mode and tide graph mode: With full-analogue display – In dive mode, dive times and surface interval times are indicated by forward and reverse rotation of the hands. In tide graph mode, the watch displays tide graphs for a selected diving spot along with local time. Functions useful for diving are offered with full-analogue display.

Solar-powered timekeeping with Bluetooth® and radio control for enhanced accuracy and reliability –

Super Illuminator (high-brightness LED light) for maintaining watch readability in the dark

Scratch-resistant, highly transparent sapphire crystal with an anti-reflective coating

Smartphone Link/App Connectivity Features

  • Mobile link (Automatic connection, wireless linking using Bluetooth®)
  • Apps – Casio Watches
  • Auto time adjustment
  • Easy watch setting
  • Approximately 300 world time cities
  • Diving log
  • Tide graph setting (approximately 3,300 global points)
  • Watch status display
  • Self check
  • Phone finder
  • Premium Production Line certificate

Watch Features

  • Diving mode
  • Dive time: 1 second increments, up to 1:59’59
  • Surface time measurement: up to 24 hours
  • Log data: up to 30 records

World Time Dual time

  • 27 time zones, Home time swapping, auto summer time (DST) switching
  • Tide graph (tide level for specific date and time)
  • Stopwatch 1-second stopwatch
  • Measuring capacity: 23:59’59


  • Countdown timer
  • Measuring unit: 1 second
  • Countdown range: 24 hours
  • Countdown start time setting range: 1 minute to 24 hours (1-second increments)

Alarm/hourly time signal – Daily Alarm


  • LED light (Super Illuminator)
  • Afterglow
  • LED:White


  • Full auto-calendar (to year 2099)

Hand home position correction feature

  • The auto hand home position correction

Energy Saving Feature

  • Power Saving (hands stop to save power when the watch is left in the dark)

Run Time

  • Approx. battery operating time:
  • 5 months on rechargeable battery (operation period with normal use without exposure to light after charge)
  • 29 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)


  • Accuracy: ±15 seconds per month (with no signal calibration and mobile link function)

Other features

  • Hand shift feature (Hands move out of the way to provide an unobstructed view of indial)
  • Regular timekeeping:
  • Analog: 3 hands (hour, minute (hand moves every 5 seconds), second), 3 dials (dual time hour and minute, dual time 24 hour, day)
  • Date display
  • Day indicator

Time Adjustment Details

  • Time Calibration Signals
  • Station name: DCF77 (Mainflingen, Germany)
  • Frequency: 77.5 kHz
  • Station name: MSF (Anthorn, England)
  • Frequency: 60.0 kHz
  • Station name: WWVB (Fort Collins, United States)
  • Frequency: 60.0 kHz
  • Station name: JJY (Fukushima, Fukuoka/Saga, Japan)
  • Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga)
  • Station name: BPC (Shangqiu City, Henan Province, China)
  • Frequency: 68.5 kHz
  • Time calibration signal reception
  • Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful)
  • *5 times a day for the Chinese calibration signal
  • Manual receive
  • The latest signal reception results


  • Glass – Sapphire crystal with anti-reflective coating
  • Spherical Glass
  • Crown – Screw Lock Crown
  • Back Plate – Screw Lock Back
  • Surface Treatment – Deep Layer Hardening + DLC Coating
  • Compatible band size – 150 to 220 mm
  • Neobrite

Basic Information

  • Case and bezel material – Titanium


  • Titanium Band
  • Solid Band
  • One-touch, slide-adjustable Double-lock three-fold clasp


  • Shock Resistant
  • Magnetic Resistant

Water resistance

  • ISO 200 meters Water Resistance

Time Adjustment

  • Radio-controlled Watch; Multi band 6
  • Bluetooth: Connects to a smartphone and automatically adjusts the time

Power supply and battery life – Tough Solar (Solar powered)

Case size (L× W× H) – 56 × 49.7 × 18.6 mm
Weight – 170 g

Shock Resistant

Stable solar power

Keeps yourself in time

20 bar water resistant

Shock Resistant

Reviews & Ratings

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