The Titanium Field Guide

Zelos Hammerhead V3 300M Titanium

Hammerhead V3 Ti

The Zelos Hammerhead V3 300M Titanium is a current-production diver watch with a Grade 2 titanium case, finished with surface hardened (1200 hv). It measures 44.0 mm across, 13 mm thick, 49 mm lug to lug, and is water resistant to 300 m. Inside is the Seiko NH35 automatic movement, with ~41 h power reserve. Complications: Date. Priced from $529 (MSRP, titanium model). Brand origin: Singapore.

Titanium diver watchesUnder $1,000
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ReferenceHammerhead V3 Ti
TypeDiver
Price$529 · MSRP, titanium model
Case diameter44.0 mm
Thickness13 mm
Lug-to-lug49 mm
Water resistance300 m
Weight–
OriginSingapore
MovementAutomatic
CaliberSeiko NH35
Power reserve~41 h
ComplicationsDate
TitaniumGrade 2
Surface treatmentSurface hardened (1200 HV)
Nickel-freeYes
Bracelet / strapTitanium bracelet (quick-adjust)
CrystalDomed sapphire, inner AR
Display backNo
DialGranite-textured (dark grey and other colourways)
LumeSuper-LumiNova C3 / BGW9
AvailabilityOffered
StatusCurrent (between batches)
High confidence Verified 2026-06-19 Source: Zelos (maker) Maker / listing ↗
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