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
11mm
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 GL0091 is noted for its exceptional value, with owners reporting it available at Costco for $300, far below its typical retail price. One owner points out the case dimensions are 42mm x 49.5mm x 10.5mm and that the design is original. A minor flaw noted by one owner is slightly underapplied lume at the 6 o'clock position, and lume is described as weak under artificial light. Overall, owners rate the Glycine Men's Combat Sub 42mm Automatic Watch GL0091 highly for its significant value proposition at its discounted 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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