The Titanium Field Guide

Casio MR-G MRG-B2100R Titanium

MRG-B2100R-2A

The Casio MR-G MRG-B2100R Titanium is a current-production other watch with a Grade 5 (Ti64) titanium case, finished with black dlc titanium; cobarion bezel. It measures 44.4 mm across, 13.6 mm thick, 49.5 mm lug to lug, and is water resistant to 200 m. Inside is the Casio 5718 tough solar, multi-band 6, bluetooth movement. Complications: Date. Priced from $4,200 (approx; 2025; maker page bot-blocked). Brand origin: Japan.

Titanium other watchesGrade 5 titanium
ReferenceMRG-B2100R-2A
TypeOther
Price$4,200 · approx; 2025; maker page bot-blocked
Case diameter44.4 mm
Thickness13.6 mm
Lug-to-lug49.5 mm
Water resistance200 m
Weight–
OriginJapan
MovementTough Solar, Multi-Band 6, Bluetooth
CaliberCasio 5718
Power reserve–
ComplicationsDate
TitaniumGrade 5 (Ti64)
Surface treatmentBlack DLC titanium; COBARION bezel
Nickel-freeYes
Bracelet / strapDura Soft fluoro-rubber
CrystalSapphire
Display backNo
DialAnalog-digital
LumeNeobrite
AvailabilityOffered
StatusCurrent (2025); maker page bot-blocked
Medium confidence Verified 2026-06-22 Source: Casio Maker / listing ↗
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