Glycine Combat SubvsSan Martin Gradient Dial Vintage Dive
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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

Gradient Dial Vintage Dive
Diameter
42mm
42.5mm
Thickness
10.4mm
lowest
13.7mm
Water Resistance
200m
300m
highest
MSRP
$515
$258
lowest
Movement
Sellita SW200-1
Seiko NH35
Case
4 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 42mm Automatic Watch GL0530 is widely praised for its exceptional thinness at 10.4mm and its comfortable wearability on smaller wrists, often cited as a standout feature. Owners appreciate its unique, non-homage design and superior finishing for its price point, with some considering it the best automatic dive watch under $400. However, some find the "COMBAT" text on the dial unappealing, and the original strap or bracelet is frequently replaced. Reviewers and owners consistently note inconsistent power reserve figures, sometimes falling short of the advertised 42 hours, and sub-par lume readability at night. Overall, owners and community members rate the Glycine Men's Combat Sub 42mm Automatic Watch GL0530 highly for its remarkable thinness and comfortable wearability, making it a unique offering in its segment.
Owners widely report the San Martin Gradient Dial Vintage Dive SN036B offers good finishing for its price, making it suitable as a beater watch. The 42.5mm case and 300m water resistance provide significant wrist presence, though some owners find the designs lack originality. On balance, owners rate the San Martin Gradient Dial Vintage Dive SN036B highly for its finishing and value as a robust, everyday watch.
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