The Titanium Field Guide

Halios Seaforth IV (Titanium)

The Halios Seaforth IV (Titanium) is a current-production diver watch with a Titanium (grade undisclosed) case. It is priced under the $1,300 median for the category.

Titanium diver watchesUnder $1,000Microbrand
Price
$900
Titanium
Titanium (grade undisclosed)
Water resistance
200 m
Nickel-free
No
Type
Diver
Case diameter
40.0 mm
Thickness
12.4 mm
Lug-to-lug
46.5 mm
Origin
Canada
Movement
Automatic
Caliber
Sellita SW200-1
Power reserve
~38 h
Complications
Time only
Case shape
Round
Case colour
Natural / grey
Finish technology
Natural finish
Surface treatment
None (brushed)
Caseback
Titanium
Bracelet / strap
Titanium (steel clasp) or rubber
Crystal
Double-domed box sapphire, AR coated
Display back
No
Dial
Blue, plum, yellow, pink, black, and grey colourways
Dial colours
Black Grey Blue Yellow Salmon Purple
Lume
Globolight + Super-LumiNova
Availability
Offered
Status
Current
Not published
Reference, Weight, Titanium bracelet Help verify
Medium confidence Verified Jul 2026 Source: aBlogtoWatch Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

Is the Halios Seaforth IV (Titanium) nickel-free?

No. At least one part that touches the skin is nickel-bearing steel (commonly the caseback or clasp), so the guide does not mark it nickel-free.

What grade of titanium is the Halios Seaforth IV (Titanium)?

The Halios Seaforth IV (Titanium) has a Titanium (grade undisclosed) case with a titanium caseback. It is recorded at medium confidence pending a maker-stated grade.

What size is the Halios Seaforth IV (Titanium)?

It is 40.0 mm in diameter, 12.4 mm thick, 46.5 mm lug to lug, and water resistant to 200 m.

How much does the Halios Seaforth IV (Titanium) cost, and is it available?

It is current-production and lists from $900.

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