The Titanium Field Guide

RZE Ascentus GMT

The RZE Ascentus GMT is a current-production other watch with a Grade 2 titanium case, finished with ultrahex coating. It measures 40.0 mm across, 13 mm thick, 46 mm lug to lug, and is water resistant to 200 m. Inside is the Seiko NH34 automatic (gmt, caller) movement, with ~41 h power reserve. Complications: GMT. Priced from $429 (approx). Brand origin: Singapore.

Titanium other watchesUnder $1,000GMT
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Reference–
TypeOther
Price$429 · approx
Case diameter40.0 mm
Thickness13 mm
Lug-to-lug46 mm
Water resistance200 m
Weight–
OriginSingapore
MovementAutomatic (GMT, caller)
CaliberSeiko NH34
Power reserve~41 h
ComplicationsGMT
TitaniumGrade 2
Surface treatmentUltraHex coating
Nickel-freeYes
Bracelet / strapTitanium bracelet (UltraHex)
CrystalSapphire, inner AR
Display backNo
DialVarious (Azure Blue and others)
LumeSuper-LumiNova
AvailabilityOffered
StatusCurrent
Medium confidence Verified 2026-06-19 Source: aBlogtoWatch Maker / listing ↗
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