The Wristwatch 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 $1,500 median across the guide.

All Casio watchesExotic-material other watchesTitaniumBlackUnder $5,000
Price
$4,200
Material
Titanium
Grade / type
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
Colour
Black
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, Hardness, Construction, Matching bracelet
High confidence Verified Jul 2026 Source: Casio Maker ↗
Facts are free to cite with a link.
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Frequently asked questions

What is the case material of 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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