The Titanium Field Guide

Casio MR-G MRG-B2100R Titanium

MRG-B2100R-2A

The Casio MR-G MRG-B2100R Titanium is a current-production watch with a Grade 5 (Ti64) titanium case, finished with black dlc titanium; cobarion bezel. At 110 g it sits around the middle for watches in the guide, and is priced well above the $1,899 median across the guide.

Titanium other watchesLightest, rankedGrade 5 titaniumSolar
Price
$4,200
Titanium
Grade 5 (Ti64)
Weight
110 g (with strap)
Water resistance
200 m
Reference
MRG-B2100R-2A
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
Case shape
Round
Case colour
Black
Finish technology
DLC
Surface treatment
Black DLC titanium; COBARION bezel
Caseback
Titanium
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Dura Soft fluoro-rubber
Crystal
Sapphire
Display back
No
Dial
Black
Dial colours
Black
Lume
Neobrite
Availability
Offered
Status
Current (2025)
Not published
Power reserve, Titanium bracelet
High confidence Verified Jul 2026 Source: Casio Maker / listing ↗
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Frequently asked questions

What grade of titanium is the Casio MR-G MRG-B2100R Titanium?

The Casio MR-G MRG-B2100R 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-B2100R 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-B2100R Titanium weigh?

About 110 g (w/ strap).

How much does the Casio MR-G MRG-B2100R Titanium cost, and is it available?

It is current-production and lists from $4,200.

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