Zelos Hammerhead (Tantalum LE)vsMKII Hellion
The measurements
Sized up.
Catalogue photos are all shot at the same flattering size. These aren't: every case below shares one millimetre scale.

Hammerhead (Tantalum LE)

Hellion
Diameter
44mm
39mm
Lug-to-Lug
n/a
48.5mm
Thickness
13mm
lowest
13.6mm
Water Resistance
300m
highest
100m
MSRP
$1,499
$649
lowest
Movement
Seiko NH35
Seiko NH38
Case
7 specsCrystal & Dial
3 specsMovement
2 specsPricing
1 specsWhat people say
Owners + reviewers, side by side.
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.
The MKII Hellion is widely praised for its immaculate fit and finish, with a mirror-polished case that bridges field and dress styles. Owners appreciate its vintage-inspired lug design and the satisfying heft that balances classic appeal. The large crown is a noted feature, adding a masculine touch to the refined design. One owner questions if the price aligns with the specifications. Overall, owners rate the MKII Hellion highly for its exceptional finishing and versatile, refined design at the price point.
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