The Titanium Field Guide

Zelos Hammerhead V3 300m DLC

The Zelos Hammerhead V3 300m DLC is a 44 mm Grade 2 titanium watch with a Seiko NH35 automatic movement.

All Zelos watchesOther watchesUnder $1,000MicrobrandOn a titanium braceletMicro-adjust bracelet
Price
$559
Material
Titanium
Grade / type
Grade 2
Water resistance
300 m
Type
Other
Case diameter
44.0 mm
Thickness
13 mm
Lug-to-lug
49 mm
Origin
Singapore
Movement
Automatic
Caliber
Seiko NH35
Complications
Time only
Colour
Black
Hardness
1200 HV
Surface treatment
DLC coating
Finish technology
DLC
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Titanium with 1200Hv hardened surface, Quick adjust clasp with externa
Matching bracelet
Standard
Micro-adjust clasp
Yes
Crystal
Sapphire (domed)
Lume
Super-LumiNova C3 and BGW9
Availability
Offered
Status
Current (sold out on the maker store, listed without a replacement)
Not published
Reference, Weight, Power reserve, Construction, Caseback, Display back, Dial
Medium confidence Verified Aug 2026 Source: Zelos (maker store product page)
Facts are free to cite with a link.
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Frequently asked questions

What grade of titanium is the Zelos Hammerhead V3 300m DLC?

Grade 2, from a secondary source. The guide has not yet read the grade on the maker's own page.

What size is the Zelos Hammerhead V3 300m DLC?

The case is 44 mm across, 13 mm thick and 49 mm from lug to lug. It is water resistant to 300 m.

How much does the Zelos Hammerhead V3 300m DLC cost, and is it available?

It is in production, at a list price of $559.

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