The Wristwatch Field Guide

Casio MR-G MRG-B2100 Titanium

The Casio MR-G MRG-B2100 Titanium is a current-production watch with a grade 5 (ti64) titanium case, finished with titanium with cobarion bezel; dat55g titanium band. At 122 g it sits among the heavier watches in the guide, and is priced well above the $1,500 median across the guide. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

All Casio watchesExotic-material other watchesTitaniumUnder $5,000
Price
$4,500
Material
Titanium
Grade / type
Grade 5 (Ti64)
Weight
122 g (with bracelet)
Water resistance
200 m
Type
Other
Case diameter
44.4 mm
Thickness
13.6 mm
Lug-to-lug
49.5 mm
Origin
Japan
Movement
Tough Solar, Multi-Band 6, Bluetooth
Caliber
Casio 5718
Complications
Date
Colour
Grey
Surface treatment
Titanium with COBARION bezel; DAT55G titanium band
Caseback
Titanium
Nickel-free
Yes
Bracelet / strap
Titanium (DAT55G)
Crystal
Sapphire
Display back
No
Dial
Black (kigumi lattice texture)
Dial colours
Black
Lume
Neobrite
Availability
Offered
Status
Current
Not published
Reference, Power reserve, Hardness, Construction, Matching bracelet
High confidence Verified Jul 2026 Source: Casio Maker ↗
Facts are free to cite with a link.
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Alternatives to the Casio MR-G MRG-B2100 Titanium

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More exotic-material watches from Casio

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CasioMR-G MRG-B2000 Kurogane-iro–49.8 mm16.9 mm thickOtherCasio 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 gOther

Frequently asked questions

Is the Casio MR-G MRG-B2100 Titanium nickel-free?

Yes. Nothing nickel-bearing touches the skin: a grade 5 (ti64) titanium 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-B2100 Titanium?

The Casio MR-G MRG-B2100 Titanium has a grade 5 (ti64) titanium case with a titanium caseback. This is confirmed against the maker spec.

What size is the Casio MR-G MRG-B2100 Titanium?

It is 44.4 mm in diameter, 13.6 mm thick, 49.5 mm lug to lug, and water resistant to 200 m.

How much does the Casio MR-G MRG-B2100 Titanium weigh?

About 122 g (w/ bracelet).

How much does the Casio MR-G MRG-B2100 Titanium cost, and is it available?

It is current-production and lists from $4,500.

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