Glycine Combat SubvsZelos Hammerhead 1000m Diver Steel

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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.

Combat Sub

Hammerhead 1000m Diver Steel
Diameter
42mm
44mm
Lug-to-Lug
n/a
49mm
Thickness
10.4mm
lowest
17mm
Water Resistance
200m
1000m
highest
Power Reserve
38h
n/a
MSRP
$515
lowest
$649
Movement
Sellita SW200-1
Seiko NH35
Case
6 specsCrystal & Dial
5 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Glycine Combat Sub for its exceptional thinness, with sources noting case thicknesses around 10.4mm to 10.8mm, perfect proportions, and a refined aesthetic that avoids homage designs. Many highlight its significant value, especially at discounted prices, and its solid build quality. Some owners report an inconsistent power reserve and sub-par lume that can be difficult to read at night, while one owner noted a slightly off-color lume pip on the chapter ring. Overall, owners rate the Glycine Combat Sub highly for its blend of wearability and value.
The Glycine Combat Sub offers good value at its price point, with reviewers highlighting its attractive design and comfortable wear. However, multiple reviewers noted areas where cost-saving measures are apparent in the build quality.
Owners widely praise the Zelos Hammerhead 1000m Diver Steel for its exceptional value, robust construction, and well-machined steel bracelet with quick adjustment capabilities. Reviewers note its excellent legibility due to a simple dial and raised markers, and a pleasing brushed steel case finish. Some owners find the watch heavy for daily wear, and one reviewer flagged inconsistent lume brightness between indices and hands/bezel, while another owner reported exceptionally bright lume across the board. The 17mm thickness, including the domed crystal, was a point of hesitation for one owner. Overall, owners and reviewers rate the Zelos Hammerhead 1000m Diver Steel highly for its impressive build quality and features at its price point.
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