The Wristwatch Field Guide

Zelos Spearfish Titanium

Archive · used only

The Zelos Spearfish Titanium is a discontinued diver watch with a titanium (hardened ~1200 hv) case, finished with surface hardened ~1200 hv. It is priced under the $1,199 median for the category. No longer offered new; listed here as an archive reference for the used market.

All Zelos watchesExotic-material diver watchesTitaniumDiversGMTUnder $5,000
Price
$899
Material
Titanium
Grade / type
Titanium (hardened ~1200 HV)
Water resistance
200 m
Type
Diver
Case diameter
40.0 mm
Thickness
10 mm
Origin
Singapore
Movement
Automatic (Grande Date / GMT options)
Caliber
Sellita SW300 + TT651 module
Power reserve
~68 h
Complications
Date, GMT
Colour
Grey
Surface treatment
Surface hardened ~1200 HV
Caseback
Titanium
Nickel-free
No (steel contact)
Bracelet / strap
Titanium
Crystal
Sapphire, AR coated
Display back
No
Dial
Grey (meteorite), gunmetal, mother-of-pearl, and sunburst colourways
Dial colours
White Grey Meteorite
Lume
Super-LumiNova
Availability
No longer offered
Status
Base three-hand titanium Spearfish discontinued; only the Dual Time GMT remains
Not published
Reference, Lug-to-lug, Weight, Hardness, Construction, Matching bracelet
High confidence Verified Jul 2026 Source: Fratello Maker ↗
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Frequently asked questions

Is the Zelos Spearfish 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 Zelos Spearfish Titanium?

The Zelos Spearfish Titanium has a titanium (hardened ~1200 hv) case with a titanium caseback. This is confirmed against the maker spec.

What size is the Zelos Spearfish Titanium?

It is 40.0 mm in diameter, 10 mm thick, and water resistant to 200 m.

How much does the Zelos Spearfish Titanium cost, and is it available?

It is no longer offered new; the guide keeps it as an archive reference for the used market, and it listed from $899 when current.

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