Ao-Zumi Limited Edition MRG-B5000BA-1DR

€4.000,00 EUR / sem stock

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The MR-G commitment to the essential qualities of strength and beauty has much in common with the Zen spiritual practice of looking into one’s own true nature. With its “ao-zumi” motif, the MRG-B5000BA presents a look of quiet strength that captures the equanimity of the Zen mindset. Ao-zumi, a form of sumi ink made from a block of blue pigment, is used in calligraphy and paintings. The depth and serenity of its blue tone is considered to have a calming effect. Blue ion plating (IP) applied to the multi-component bezel and band pins accent the black diamond-like carbon (DLC) coating of the case and band, while the face features a negative LCD and a sapphire crystal treated with blue vapour deposition.

In this structure, the bezel is formed from a total of 25 separate components instead of a single piece. This enables beautiful finishes to be applied to surfaces that are ordinarily difficult to polish, including grooves, depressions, and chamfered edges. The band, too, has dimpled portions constructed with separate componentry. Sallaz polishing is applied to each component to create a mirror finish. Skilled artisans manually polish each part prior to assembly to give the watch a stunning, distortion-free finish.

The Multi-Guard Structure protects the module with totally superior shock-absorption. The multi-component bezel and case incorporates four-cornered suspension componentry combining T-shaped bars and flat springs as well as resin buffering.

The top bezel is made with COBARION, a super-hard alloy that is an ideal base for sophisticated mirror finishes. It boasts a hardness about four times that of pure titanium and a brilliant gleam comparable to platinum. The band employs DAT55G, a titanium alloy with a hardness about three times that of pure titanium that also offers excellent processability. With these innovative materials developed in Japan, Casio achieved an exterior design that ensures both strength and beauty. A special Ti64 titanium alloy is used for the case, case back and buttons.


COBARION, a cobalt-chromium alloy manufactured exclusively by Eiwa Corporation, is a registered trademark.
*2 DAT is a registered trademark of Daido Steel Co., Ltd. in Japan.

Features a dedicated module with gold plating applied to the retainer plate for the circuit board to reduce electrical resistance.


    • Case / bezel material: Titanium / Cobarion
    • Tight-lock, 1-press, 3-fold Clasp
    • Solid Band
    • Titanium Band
    • Shock Resistant
    • Sapphire crystal with glare-resistant coating
    • Screw Lock Back
    • Diamond Like Coating
    • 200-meter water resistance
    • Tough Solar (Solar powered)
    • LED backlight (Super illuminator)
      Full auto LED light, selectable illumination duration (2 seconds or 4 seconds), afterglow
    • 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®)
    • 5 World time
      39 time zones (39 cities +coordinated universal time), daylight saving on/off, Home city/World time city swapping, auto summer time (DST) switching
    • 1/100-second stopwatch
      Measuring capacity:
      00'00''00~59'59''99 (for the first 60 minutes)
      1:00'00~23:59'59 (after 60 minutes)
      Measuring unit:
      1/100 second (for the first 60 minutes)
      1 second (after 60 minutes)
      Measuring modes: Elapsed time, split time, 1st-2nd place times
    • Countdown timer
      Measuring unit: 1 second
      Countdown range: 24 hours
      Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
    • 5 daily alarms (with 1 snooze alarm)
    • Hourly time signal
    • Low battery alert
    • Power Saving (display goes blank to save power when the watch is left in the dark)
    • Full auto-calendar (to year 2099)
    • 12/24-hour format
    • Button operation tone on/off
    • Date/month display swapping
    • Day display (days of the week selectable in six languages)
    • Regular timekeeping: Hour, minute, second, pm, month, date, day
    • Accuracy: ±15 seconds per month (with no signal calibration and mobile link function)
    • Approx. battery operating time:
      10 months on rechargeable battery (operation period with normal use without exposure to light after charge)
      22 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Size of case / Total weight

  • Size of case : 49.4×43.2×12.9mm
  • Total weight : 114g

Operation Guide