Spinnaker Dumas AutomaticvsZelos Hammerhead 1000m Diver Black with Ceramic Bezel

Ref. hammerhead-1000m-diver-black-with-ceramic-bezel·MSRP $499
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Dumas Automatic

Hammerhead 1000m Diver Black with Ceramic Bezel
Diameter
44mm
44mm
Lug-to-Lug
48mm
lowest
49mm
Thickness
15mm
lowest
17mm
Water Resistance
300m
1000m
highest
MSRP
$239
lowest
$499
Movement
Seiko NH35
Seiko NH35
Case
4 specsCrystal & Dial
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Spinnaker Dumas Automatic for its robust build quality, attractive textured blue dial, and excellent finishing for its price point. The watch is noted for its comfortable wearability, attributed to a short lug-to-lug distance, and owners report positive experiences with the Seiko NH35 movement. Some owners mention a mineral crystal instead of sapphire, a bracelet with a learning curve, and a crown that feels slightly small. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetic appeal and solid construction at a fair price.
The Zelos Hammerhead 1000m Diver Black with Ceramic Bezel is widely praised for its unique, masculine, and angular case design, with owners finding it the most distinctive microbrand diver they have encountered. Reviewers highlight its ruggedness, legible dial with ample lume, and durable ceramic bezel, all offered at an attractive price point with impressive specifications including 1000m water resistance and a Seiko NH35 automatic movement. Some owners note that the bezel and crown notches could be smoother, and one reviewer suggests a thinner case might have been preferable, while another points out that the domed sapphire crystal can cause reflections. On balance, owners and reviewers rate the Zelos Hammerhead 1000m Diver Black with Ceramic Bezel highly for its distinctive design and exceptional value at its price point.
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