Glycine Combat SubvsSan Martin BB58

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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

BB58
Diameter
42mm
40mm
Water Resistance
200m
200m
MSRP
$595
$158
lowest
Movement
Sellita SW200-1
Seiko NH35
Case
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely appreciate the Glycine Men's Combat Sub 42mm Automatic Watch GL0249 for its value, often finding it for around $330, significantly below its advertised price. It is considered a versatile everyday and business-casual watch, recommended as an entry into dive watches. One owner notes the lume on the 6 o'clock marker is slightly underapplied and overall lume appeared weak, though the dial itself is otherwise perfect. Overall, owners rate the Glycine Men's Combat Sub 42mm Automatic Watch GL0249 highly for its value and versatility as an accessible dive watch.
Owners rate the San Martin BB58 very highly for its build and value. Multiple owners praise the on-the-fly micro-adjust clasp as solid, functional and a standout addition, with one saying they have not seen a $1k watch that can touch it, and another calling the BB58 the superior homage to the original and "basically as close as you can get without paying Tudor prices." Owners describe it as premium rather than cheap, and one calls its quality fantastic for the price. Criticism is limited to one owner's objections to the riveted bracelet links and the logo. Overall, owners rate the San Martin BB58 as a standout value because its clasp, finishing and build punch well above its price.
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