The Wristwatch 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 $1,199 median for the category.

All Halios watchesExotic-material diver watchesTitaniumDiversUnder $5,000
Price
$900
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
200 m
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
Colour
Grey
Surface treatment
None (brushed)
Caseback
Titanium
Nickel-free
No (steel contact)
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, Hardness, Construction, Matching bracelet
Medium confidence Verified Jul 2026 Source: aBlogtoWatch Maker ↗
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 is the case material of 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 material.

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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