The Wristwatch Field Guide

Casio MR-G MRG-B2000 Kurogane-iro

MRG-B2000BG-3A

The Casio MR-G MRG-B2000 Kurogane-iro is a current-production watch with a titanium (ti64, deep-layer hardened, green dlc) case, finished with deep-layer hardened titanium with green dlc and arc ion plating. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

All Casio watchesExotic-material other watchesTitaniumGreen
Material
Titanium
Grade / type
Titanium (Ti64, deep-layer hardened, green DLC)
Water resistance
200 m
Reference
MRG-B2000BG-3A
Type
Other
Case diameter
49.8 mm
Thickness
16.9 mm
Lug-to-lug
54.7 mm
Origin
Japan
Movement
Tough Solar, Multi-Band 6, Bluetooth
Caliber
Casio 5666
Complications
Date
Colour
Green
Surface treatment
Deep-layer hardened titanium with green DLC and arc ion plating
Caseback
Titanium
Nickel-free
Yes
Bracelet / strap
Titanium (green DLC)
Crystal
Sapphire
Display back
No
Dial
Dark blue-green (kurogane-iro)
Dial colours
Blue Green
Lume
Neobrite
Availability
Offered
Status
Limited edition (Kurogane-iro)
Not published
Price, Weight, Power reserve, Hardness, Construction, Matching bracelet
Medium confidence Verified Jul 2026 Source: Casio (MRG-B2000BG-3A) / Casio (MRG-B2000RG-3A)
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
No reviews yet.
See it in the interactive guideContribute a photo or review

Similar exotic-material watches

TACSAVL III Titanium$60046.5 mm16 mm thickOthersame category · same style · similar thickness · same countryKRONOSTI STRUC Time ShuttleKRONOSTISTRUC Time Shuttle$35842.0 mm16.6 mm thickOthersame category · same style · similar thicknessNubeo Opportunity Automatic Forged CarbonNubeoOpportunity Automatic Forged Carbon$80048.0 mmOthersame category · same style · similar sizeWilliam Wood Bronze (Heritage)William WoodBronze (Heritage)$1,17041.0 mm15.5 mm thickOthersame category · same style · similar thicknessAngles Watches Orbitron AutomaticAngles WatchesOrbitron Automatic$1,25039.0 mm16 mm thickOthersame category · same style · similar thicknessBulova MIL-SHIPS BronzeBulovaMIL-SHIPS Bronze$1,25041.0 mm16.8 mm thickOthersame category · same style · similar thicknessCIGA Design Mechanical Series U Blue Planet Ice AgeCIGA DesignMechanical Series U Blue Planet Ice Age$1,49943.0 mm15.5 mm thick128 gOthersame category · same style · similar thicknessSpaceOne Jumping Hour TitaniumSpaceOneJumping Hour Titanium$2,05051.7 mm12.61 mm thickOthersame category · same style · similar size

Alternatives to the Casio MR-G MRG-B2000 Kurogane-iro

Richard Mille RM 30-01 Automatic Declutchable Rotor TitaniumRichard MilleRM 30-01 Automatic Declutchable Rotor Titanium–50.0 mmOthersame category · same style · shared complications · similar sizeBig Idea Design Ti Daily SolarBig Idea DesignTi Daily Solar$27538.0 mm34 gOthersame category · same style · shared complications · same movementOntic Utility - 40mm Men's Titanium Watch - Colbalt - Swiss SolarOnticUtility - 40mm Men's Titanium Watch - Colbalt - Swiss Solar$810.1540.0 mmOthersame category · same style · shared complications · same movementOntic Utility - 40mm Men's Titanium Watch - Forest Green - Swiss SolarOnticUtility - 40mm Men's Titanium Watch - Forest Green - Swiss Solar$810.1540.0 mmOthersame category · same style · shared complications · same movementOntic Utility - 40mm Men's Titanium Watch - Ember Red - Swiss SolarOnticUtility - 40mm Men's Titanium Watch - Ember Red - Swiss Solar$810.1540.0 mmOthersame category · same style · shared complications · same movementCadisen Titanium TI-7 AutodyneCadisenTitanium TI-7 Autodyne$13040.0 mm11.5 mm thick58 gOthersame category · same style · shared complications

More exotic-material watches from Casio

Casio G-Shock Full Metal GMW-B5000TB-1CasioG-Shock Full Metal GMW-B5000TB-1$1,55043.2 mm13 mm thick110 gOtherCasio G-Shock Full Metal GMW-B5000TCM-1CasioG-Shock Full Metal GMW-B5000TCM-1$1,70043.2 mm13 mm thick110 gOtherCasio G-Shock Titanium Virtual Armor GMW-B5000TVA-1CasioG-Shock Titanium Virtual Armor GMW-B5000TVA-1$1,65043.2 mm13 mm thick106 gOtherCasio G-Shock Titanium Virtual Armor GMW-B5000TVB-1CasioG-Shock Titanium Virtual Armor GMW-B5000TVB-1$1,65043.2 mm13 mm thick106 gOtherCasio G-Shock GMW-B5000TR-9 (TranTixxii titanium)CasioG-Shock GMW-B5000TR-9 (TranTixxii titanium)$1,70043.2 mm13 mm thick110 gOtherCasio G-Shock GMW-B5000TCC-1 (TranTixxii titanium)CasioG-Shock GMW-B5000TCC-1 (TranTixxii titanium)$1,80043.2 mm13 mm thick104 gOther

Frequently asked questions

Is the Casio MR-G MRG-B2000 Kurogane-iro nickel-free?

Yes. Nothing nickel-bearing touches the skin: a titanium (ti64, deep-layer hardened, green dlc) case with a titanium caseback, plus a non-steel crown and bracelet and clasp. The Wristwatch Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What is the case material of the Casio MR-G MRG-B2000 Kurogane-iro?

The Casio MR-G MRG-B2000 Kurogane-iro has a titanium (ti64, deep-layer hardened, green dlc) case with a titanium caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the Casio MR-G MRG-B2000 Kurogane-iro?

It is 49.8 mm in diameter, 16.9 mm thick, 54.7 mm lug to lug, and water resistant to 200 m.

How much does the Casio MR-G MRG-B2000 Kurogane-iro cost, and is it available?

It is current-production; the guide does not list a price for it.

All exotic-material Casio watches · Exotic-material other watches · All 1,957 watches

Learn: Which Material? · Lightest Materials · Most Scratch-Resistant · Materials and Skin

Image & Trademark Policy · Terms & Conditions