Side by side

Zelos Hammerhead (Tantalum LE)vsSpinnaker Dumas Automatic

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 Automatic
SpinnakerDumas Automatic
MSRP $239

At a glance

7 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Dumas Automatic44mm
Power Reserve
Hammerhead (Tantalum LE)40h
Dumas Automatic40h
Water Resistance
Hammerhead (Tantalum LE)300m
Dumas Automatic300m
MSRP
Hammerhead (Tantalum LE)$1,499
Dumas Automatic$239

Full specifications

Case

3 specs
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
SII NH35A

Pricing

1 specs
MSRP
$1,499
$239

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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 Automatic

Owners widely praise the Spinnaker Dumas Automatic for its attractive textured blue dial, applied indices, and well-finished case, noting its comfortable wearability due to a short lug-to-lug distance. Some owners flag the use of mineral crystal instead of sapphire and a bracelet with a learning curve and loose keeper. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetics and case finishing at its price point.

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