The Titanium Field Guide

Hamilton Khaki Navy BeLOWZERO Auto Titanium (grey)

H78535380

The Hamilton Khaki Navy BeLOWZERO Auto Titanium (grey) is a current-production diver watch with a titanium (grade undisclosed) case, finished with brushed; helium escape valve. At 129 g it sits around the middle for diver watches in the guide, and is priced above the $1,299 median for the category.

All Hamilton watchesWatch diver watchesUnder $3,000Lightest, ranked
Price
$1,995
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Weight
129 g (with strap)
Water resistance
1000 m
Reference
H78535380
Type
Diver
Case diameter
46.0 mm
Thickness
15.7 mm
Origin
Switzerland
Movement
Automatic
Caliber
Hamilton H-10
Power reserve
80 h
Complications
Time only
Colour
Grey
Surface treatment
Brushed; helium escape valve
Finish technology
Natural finish
Caseback
Titanium
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Rubber strap
Crystal
Sapphire
Display back
No
Dial
Grey, yellow lume
Dial colours
Grey
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Lug-to-lug, Hardness, Construction, Matching bracelet
High confidence Verified Aug 2026 Source: Hamilton Spec checksGrade Jun 2026Price Aug 2026Weight Jun 2026
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Frequently asked questions

What is the case material of the Hamilton Khaki Navy BeLOWZERO Auto Titanium (grey)?

The Hamilton Khaki Navy BeLOWZERO Auto Titanium (grey) has a titanium (grade undisclosed) case with a titanium caseback. This is confirmed against the maker spec.

What size is the Hamilton Khaki Navy BeLOWZERO Auto Titanium (grey)?

It is 46.0 mm in diameter, 15.7 mm thick, and water resistant to 1000 m.

How much does the Hamilton Khaki Navy BeLOWZERO Auto Titanium (grey) weigh?

About 129 g (w/ strap).

How much does the Hamilton Khaki Navy BeLOWZERO Auto Titanium (grey) cost, and is it available?

It is current-production and lists from $1,995.

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