The Wristwatch Field Guide

Casio MR-G MRG-B2100 Titanium

The Casio MR-G MRG-B2100 Titanium is a current-production other watch with a grey grade 5 (ti64) case, finished with titanium with cobarion bezel; dat55g titanium band. It measures 44.4 mm across, 13.6 mm thick, 49.5 mm lug to lug, 122 g, and is water resistant to 200 m. Inside is the Casio 5718 tough solar, multi-band 6, bluetooth movement. Complications: Date. Priced from $4,500 (approx). Brand origin: Japan.

Titanium and ceramic other watchesTitaniumUnder $5,000
Reference
–
Type
Other
Price
$4,500 · approx
Case diameter
44.4 mm
Thickness
13.6 mm
Lug-to-lug
49.5 mm
Water resistance
200 m
Weight
122 g (with bracelet)
Origin
Japan
Movement
Tough Solar, Multi-Band 6, Bluetooth
Caliber
Casio 5718
Power reserve
–
Complications
Date
Material
Titanium
Grade / type
Grade 5 (Ti64)
Colour
Grey
Hardness
–
Construction
–
Surface treatment
Titanium with COBARION bezel; DAT55G titanium band
Caseback
Titanium
Nickel-free
Yes
Bracelet / strap
Titanium (DAT55G)
Matching bracelet
–
Crystal
Sapphire
Display back
No
Dial
Analog-digital
Lume
Neobrite
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: Casio Maker / listing ↗
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 titanium and ceramic 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 grey grade 5 (ti64) 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 grey grade 5 (ti64) 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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