Glycine Combat Sub SportvsZelos Mako 4
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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 Sport

Mako 4
Diameter
39mm
40mm
Thickness
n/a
12.2mm
Water Resistance
300m
300m
MSRP
$540
lowest
$599
Movement
Sellita SW200-1
Miyota 9015
Case
5 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Glycine Men's Combat Sub Sport 39mm Automatic Watch GL0409 is widely praised for its value, with owners noting it as a strong alternative to more expensive Swiss watches. Its 39mm case size is highlighted for its wearability and sleek design, making it a preferred choice for many. One owner found the watch to be a great value at $299.99. A minor point of contention is a slight color mismatch between the lume pip and dial lume. Overall, owners rate the Glycine Men's Combat Sub Sport 39mm Automatic Watch GL0409 highly for its design and value proposition.
Owners widely praise the Zelos Mako 4's dial finishing and unique bezel insert options. Reviewers note impressive case finishing for the price, with a boxed sapphire crystal and wavy dial texture contributing to a vintage aesthetic. One owner reports the crown can be difficult to grip, and the winding mechanism offers resistance when screwing it down. Accuracy figures vary, with one report of -0.3 seconds per day and another owner noting a range from +1/+2 to about -6 seconds per day. On balance, owners and reviewers rate the Zelos Mako 4 highly for its distinctive dial work and case finishing at its price point.
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