Side by side

Zelos Hammerhead (Tantalum LE)vsSpinnaker Dumas GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

8 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Dumas GMT44mm
Power Reserve
Hammerhead (Tantalum LE)40h
Dumas GMT40h
Water Resistance
Hammerhead (Tantalum LE)300m
Dumas GMT300m
MSRP
Hammerhead (Tantalum LE)$1,499
Dumas GMT$399

Full specifications

Case

4 specs
Category
Diver
GMT
Thickness
13mm
15mm
Lug-to-Lug
44mm
48mm
Material
Titanium
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Blue

Movement

1 specs
Caliber
Seiko NH35
Seiko NH34A

Pricing

1 specs
MSRP
$1,499
$399

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Zelos Hammerhead (Tantalum LE)

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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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