The MR-G,

the most luxurious line of G-SHOCK, the brand that opened a whole new world of tough watches. A Japanese made product with an appeal that transcend time. Full titanium, yet shock resistant, defying convention to establish an entirely new concept of toughness. Materials, function, design — the absolute best of G-SHOCK that exudes a majesty of its own.


Reaching New Heights.

Taking inspiration from a KABUTO (helmet) worn by Japanese Samurai. MRG-B2000SH Shougeki-Maru is the latest addition to G-SHOCK Flagship line, specially created for the MR-G Series. It evokes the noble spirit and aesthetic sensibility of a samurai commander.

G-SHOCK has worked with traditional arts specialists to deliver this special piece that unites proud Japanese craftsmanship with advanced technology. Each bezel features the image of a dragon hand carved by a highly skilled metalsmith using the chasing technique to represent the helmet’s maedate (crest). The case and band is made from specially-produced metal dies, that simulate the rugged look of rusted steel with finishes of brown and blue aged IP for a time-worn appearance.


The new MRG-B2000SH is inspired by Shougeki-Maru, an original kabuto piece that was commissioned for MR-G. Kabuto was worn by Japanese samurai when heading into battle and are known for their samurai aesthetic and symbolizing the strong convictions of samurai. These qualities resonate with the MR-G pursuit of ultimate toughness and aesthetics.

Metal Bezel Carved with Ascending Dragon

The Shougeki-Maru’s bezel evokes a helmet’s crest. Highly skilled in the technique of chasing, metalsmith Masao Kobayashi has carved the image of a mythical dragon on each. With his hand carving, no two watches are exactly alike.

Forged Bezel and Band with Rusted Steel Texture

The Shougeki-Maru’s bezel and band impart its textural feel to it. Forged using a sand die by Masanao Kikuchi, they reproduce the rugged look of rusted steel. A highly-skilled technique using a sand die, with brushes and misting tools, is required to bring out the unique textured finish in the metal’s surface.

Blue-Aged IP

Titanium treated with a deep-hardening process is finished with layers of both brown and blue IP. Removal of the blue IP from the convex surface produces the watch’s unique look, with its rusted steel texture and prominent ascending-dragon image. The coloration of the watch also creates the look of the navy blue ”KON ITO ODOSHI” * used in Japanese helmets and armor.

*Overlaying plates of armor bound together with navy blue string.

Recrystallised Titanium Case

A heat treatment applied to the titanium creates a unique crystallized pattern effect. The combination of deep-hardening treatment and brown AIP®* offers enhanced resistance to abrasion.

*AIP® (arc ion plating) is a registered trademark of Kobe Steel, Ltd.

Clad Guard Structure

Integration of the crown/buttons and guard parts offers improved shock resistance. αGEL®* inserted into the crown helps to absorb shocks.

*αGEL is a registered trademark of Taica Corporation.
*Image shows MRG-G2000HA-1A.

Super Illuminator (High-Brightness LED Light

The Super Illuminator function lights up the watch face with high-intensity light, to ensure readability in the dark.

*Image shows MRG-G2000HA-1A.

Masao Kobayashi

Third-generation metal craftsman working in Shiga Prefecture’s city of Otsu. Active as a metalsmith using the chasing technique as well, with experience studying carving in Kyoto. Works with a wide range of decorative metal crafts, including crafting shrine and temple fixtures, restoring historic cultural assets, crafting tea ceremony implements and engaging in artistic craftwork. One of Japan’s premier artisanal metalworkers.

Masanao Kikuchi

15th-generation craftsman for Kikuchi Hojudo, founded in 1604 as a dedicated iron caster for the lord of Yamagata Castle. Received instruction from his uncle, a Living National Treasure, from a young age and apprenticed under his father, the 14th-generation Masanao Kikuchi. His works, creatively innovative even as they preserve traditional techniques, are highly esteemed throughout Japan and the world.

MRG-B2000SH is equipped with Bluetooth® and radio-controlled functions for accurate timekeeping, pairs with a smartphone for quick and easily accessible watch functions. Lastly, it is solar-powered that keeps your watch ticking.

MRG-B2000SH is a  limited-edition with only 400 pieces released worldwide.


Links with a smartphone for more accurate timekeeping and access to a host of mobile link functions.


Shock-resistant construction protects against impact and vibration.


CASIO’s original solar-charging system converts not only sunlight but also light from fluorescent lamps and other sources into power.


Connection with a phone requires installation of the G-SHOCK CONNECTED App on the phone.

  • Atomic Timekeeping

    Shows accurate time by receiving radio signals of standard time information. JJY= Corresponds to both of Japanese standard waves JJY (40kHZ/60kHZ); WWVB= Corresponds to the USA standard wave WWVB (60kHz); MSF/DCF77= Corresponds to UK and Germany standard waves MSF/DCF77 (60kHz/77.5kHz); BPC= Corresponds to Chinese standard wave BPC (68.5kHz)

  • Bluetooth®

    Link wirelessly to a smartphone using Bluetooth® SMART

  • Solar Power

    A solar cell provides power for operation

  • Auto-Hand Location

    Using an LED, the positions of the hour, minute and second hands are checked at the 55'00" of every hour to ensure correct hand positioning. If the hand time does not coincide with the counter within the IC, the movement corrects the hand position automatically

  • LED Light (Super Illuminator)

    A light emitting diode is used to illuminate the face/display. Super Illuminator uses high-brightness LED for easier reading

  • World Time (R27)

    Displays the current time in major cities and specific areas around the world. R: Current time in major cities around the world. Values indicate number of cities/areas

  • Beeper Alarm

    Beeper tone alarm sounds at the time you set

  • Stopwatch (24HR)

    Accurate measurement of elapsed time with the touch of a button. The fraction indicates the unit of measurement, while the time figure indicates the maximum time measurement

  • Timer (24H)

    Counts down from a start time specified by you. The value indicates the number of timers available, while the time figure indicates the maximum starting time. “REPEAT” indicates Auto Repeat, which automatically restarts timing at the end of each countdown

  • Full Auto-Calendar

    Allowances are made automatically for months of different lengths, including leap year

  • 12/24-Hour Timekeeping

    Times can be displayed in either 12-hour or 24-hour format

  • Battery Level Indicator

    Indicator shows the current battery level

  • Triple G-Shock Resistant

    Designed to withstand the shock of three forces: gravitational dropping force, centrifugal gravitational force and vibration

  • Neobrite

    A luminous coating provides long-term illumination in the dark after only short exposure to light

  • Water Resistant (20 BAR)

    The “BAR” value indicates the number of atmospheres to which water resistance is ensured. 20 BAR means water resistance to 20 atmospheres. Watches marked “200m” have the same water resistance as 20 BAR watches

  • Sapphire Glass

    Glass is made using artificial sapphires with scratch-resistant hardness second only to diamonds and high transparency

  • Spherical Glass

    The surface of the glass is rounded

  • Crown


  • Band


  • Shock Resistant
  • Magnetic Resistant
  • Screw Lock Crown
  • Sapphire Glass with non-reflective coating
  • Neobrite
  • AIP® (Arc Ion Plating) + Ion Plating
  • 200-meter water resistance
  • Case / bezel material: Titanium
  • Solid Band
  • Tight-lock, 1-press, 3-fold Clasp
  • Titanium Band
  • Tough Solar (Solar powered)
  • LED light (Super Illuminator)
  • 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
  • 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
  • Mobile link (Wireless linking using Bluetooth®)
  • The auto hand home position correction
  • Hand shift feature (Hands move out of the way to provide an unobstructed view of indial)
  • Dual time
    27 time zones, Home city time swapping, auto summer time (DST) switching
  • 1-second stopwatch
    Measuring capacity: 23:59’59
    Measuring modes: Elapsed time
  • Countdown timer
    Measuring unit: 1 second
    Countdown range: 24 hours
    Countdown start time setting range: 1 minute to 24 hours (1-minute increments)
  • Daily alarm
  • Power Saving (hands stop to save power when the watch is left in the dark)
  • Full auto-calendar (to year 2099)
  • Date display
  • Day indicator
  • 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)
  • Accuracy: ±15 seconds per month (with no signal calibration and mobile link function)
  • battery operating time:
    5 months on rechargeable battery (operation period with normal use without exposure to light after charge)
    26 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
  • LED:White
  • Size of case: 54.7×49.8×16.9mm
  • Total weight: 150g
  • Module: 5625
  • UPC: 889232271866

Yamagata Factory, Japan: Premium Production Line

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G-Shock Connected App


G-Shock Connected App


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Quick Reference (PDF)

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