Glycine Combat SubvsFormex Reef 42 mm
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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

Reef 42 mm
Diameter
42mm
42mm
Lug-to-Lug
n/a
47mm
Thickness
10.4mm
lowest
11.4mm
Water Resistance
200m
300m
highest
Power Reserve
n/a
56h
MSRP
$540
lowest
$2,414
Movement
Sellita SW200-1
Sellita SW300-1
Case
3 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Glycine Men's Combat Sub 42mm Automatic Watch GL0534 is praised for its wearability, with owners noting its thinness at 10.4mm and inward-bending lugs make it comfortable even on smaller wrists. Its lume is reported to last longer than a Seiko SKX007's, though one owner observed slight underapplication at 6 o'clock and another found the lume a bit weak in artificial light. Owners found the Glycine Combat Sub 42mm Automatic Watch GL0534 to be a good value, with one purchasing it for $299.99 and another at $300, questioning if better value exists under $400. Accuracy is noted as good, though not perfect, by one owner. Overall, owners rate the Glycine Men's Combat Sub 42mm Automatic Watch GL0534 highly for its wearability and value at the price point.
Owners widely praise the Formex Reef 42 mm for its comfortable bracelet with a micro-adjust clasp and its overall build and finish, with one owner strongly recommending it. Reviewers highlight its impressive wearability and versatility, noting the COSC-certified Sellita SW300-1 movement and well-finished bracelet. One owner found the lugs' taper hinders third-party strap fit and observed the seconds hand does not perfectly align with markers. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its comfortable bracelet and solid build at its price point.
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