Casio - G-Shock Frogman MR-G Limited to 800 Pieces - MRGBF1000EB-1A

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Facet-cut bezel inspired by a “brinicle” beneath the icy polar sea: Special commemorative MR-G FROGMAN celebrating the MR-G 30th anniversary

Dive into celebrating 30 years of MR-G timepieces defining the pinnacle of the G-SHOCK brand, with an icy cool FROGMAN inspired by the icy polar sea.
Introducing the MRG-BF1000EB, a 30th anniversary MR-G with the ISO 200-meter diving water resistance demanded of diver’s watches. This FROGMAN embodies the sharp, quiet beauty of the brinicle — a rare natural phenomenon seen only in polar seas and witnessed only by those who tackle the most extreme adventures.
The limited-edition timepiece features a bezel made of COBARION®, a super-hard alloy combining approximately four times the hardness of pure titanium with a platinum-like gleam. Swirling facet cuts on the bezel are meticulously handcrafted by gemstone artisan KOMATSU Kazuhito. Adorned with arc ion plating (AIP)* in blue, the stunning finish changes as light shifts across its surface for a truly one-of-a-kind look. Two brilliant-cut, lab-grown blue sapphires radiate a deep blue brilliance in strong light, evoking the brinicle motif that inspires this stunning design.
Key components, including case, bezel, and case back, as well as the crown, buttons, screws, and other smaller components, are made of Ti64 titanium alloy. Blue vapor-deposited sapphire crystal is press-fit into the screw-lock case back, which is finished with titanium carbide (TiC) coating. The iconic FROGMAN diving frog character is engraved on the case back, along with a serial number certifying the watch as one of a limited edition of 800 pieces worldwide, and “MR-G 30TH” commemorating the special anniversary. 
The screw-lock crown ensures a tight seal, and the MR-G Clad Guard Structure incorporates protective parts and high-performance buffering components into the crown and buttons to absorb impacts to the module and meet the most advanced divers’ needs. 

The timepiece comes with two bands: a strap made of Dura Soft, an extremely durable and comfortable fluoro rubber material, with buckle and strap loop made of Ti64 titanium alloy; and an interchangeable bracelet made of pure titanium, treated to a deep-layer hardening process and titanium carbide (TiC) coating. Simply press the button on the back of the lug while removing the side pin to easily attach or detach the band. 

This stunning timepiece provides superior functionality, as well. Equipped with Bluetooth® and three dual-coil motors for rapid rotation of individual hands to indicate dive times, the watch is designed to keep diving stress-free. In diving mode, the hour and minute hands overlap to form a single hand, delivering high visibility and making elapsed time underwater easy and intuitive to read. Tap into the dedicated app to easily set tide data for some 3,000 locations worldwide, as well as to check and get detailed analysis of your dive logs on your smartphone. The dedicated MR-G module features a gold-plated retainer plate. 
This very special MR-G 30th anniversary set comes with timepiece, Dura Soft strap, titanium bracelet, and band mounting tool, all in beautiful commemorative packaging.

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

KOMATSU Kazuhito
President of the Komatsu Cutting Factory. Known foremost for his Hana Shinju faceted pearls produced by applying cuts to the surfaces of genuine pearls using traditional diamond-cutting techniques. The first Japanese artisan awarded 1st prize in the U.S.-based “Gemmy” awards for gem-cutting in 2009. Also awarded the 3rd Monodzukuri Nippon Grand Award Prime Minister’s Prize. One of the foremost Japanese artisans in this field, highly esteemed worldwide.

BASIC INFORMATION
Case size (L× W× H): 56 × 49.7 × 18.6 mm
Weight: 132 g
Case and bezel material: Titanium / Cobarion
Band: Dura Soft Fluoro Rubber band
Accompanied attached band
Construction: Shock Resistant
Magnetic Resistant
Water resistance: ISO 200 meters
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)

SMARTPHONE LINK / APP CONNECTIVITY
Smartphone Link feature: Mobile link (Automatic connection, wireless linking using Bluetooth®)
Apps: CASIO WATCHES
App connectivity feature:
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

EXTRIOR
Glass: Sapphire crystal with anti-reflective coating
Spherical Glass
Crown: Screw Lock Crown
Back plate: Screw Lock Back
Surface treatment:
Titanium Carbide Coating
Blue AIP®(Arc Ion Plating) coating bezel
Compatible band size: 150 to 220 mm
Other: Neobrite

WATCH FEATURES
Diving feature
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

Tide graph: Tide graph (tide level for specific date and time)

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

World time
Dual time
27 time zones, Home time swapping, auto summer time (DST) switching

Stopwatch
1-second stopwatch
Measuring capacity: 23:59'59

Alarm/hourly time signal
Daily alarm

Light
LED light (Super Illuminator)
Afterglow

Light color
LED:White

Calendar
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
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

MRGBF1000EB-1A G-Shock
MRGBF1000EB G-Shock