The Titanium Field Guide

Hamilton Khaki Navy BeLOWZERO Auto Titanium (black)

H78505330

The Hamilton Khaki Navy BeLOWZERO Auto Titanium (black) is a current-production diver watch with a Titanium (grade undisclosed) case, finished with brushed; helium escape valve. It measures 46.0 mm across, 15.7 mm thick, and is water resistant to 1000 m. Inside is the Hamilton H-10 automatic movement, with 80 h power reserve. Complications: Time only. Priced from $1,745 (approx). Brand origin: Switzerland.

Titanium diver watchesUnder $3,000
ReferenceH78505330
TypeDiver
Price$1,745 · approx
Case diameter46.0 mm
Thickness15.7 mm
Lug-to-lug–
Water resistance1000 m
Weight–
OriginSwitzerland
MovementAutomatic
CaliberHamilton H-10
Power reserve80 h
ComplicationsTime only
TitaniumTitanium (grade undisclosed)
Surface treatmentBrushed; helium escape valve
Nickel-freeYes
Bracelet / strapRubber strap
CrystalSapphire
Display backNo
DialBlack
LumeSuper-LumiNova
AvailabilityOffered
StatusCurrent
High confidence Verified 2026-06-22 Source: Hamilton Maker / listing ↗
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