The Titanium Field Guide

Zelos Swordfish 40 Titanium

The Zelos Swordfish 40 Titanium is a current-production diver watch with a Grade 2 titanium case. It measures 40.0 mm across, 12 mm thick, 46 mm lug to lug, 150 g, and is water resistant to 200 m. Inside is the Seiko NH35 automatic movement, with ~41 h power reserve. Complications: Date. Priced from $549 (approx, varies by edition). Brand origin: Singapore.

Titanium diver watchesUnder $1,000
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TypeDiver
Price$549 · approx, varies by edition
Case diameter40.0 mm
Thickness12 mm
Lug-to-lug46 mm
Water resistance200 m
Weight150 g
OriginSingapore
MovementAutomatic
CaliberSeiko NH35
Power reserve~41 h
ComplicationsDate
TitaniumGrade 2
Surface treatmentNone (brushed/satin)
Nickel-freeYes
Bracelet / strapGrade 2 titanium
CrystalFlat sapphire, inner AR
Display backNo
DialMultiple (incl. forged carbon)
LumeSuper-LumiNova X1 C3/BGW9
AvailabilityOffered
StatusCurrent
High confidence Verified 2026-06-18 Source: Fratello Maker / listing ↗
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