Glycine Combat SubvsSeiko Seiko 5 Sports Dual-Crown Diver
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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

Seiko 5 Sports Dual-Crown Diver
Diameter
42mm
42mm
Thickness
n/a
11mm
Water Resistance
200m
highest
100m
Power Reserve
n/a
41h
MSRP
$540
$399
lowest
Movement
Sellita SW200-1
Seiko 4R36
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.
Owners widely praise the Glycine Men's Combat Sub 42mm Automatic Watch GL0080 for its value, frequently available around $330, and its versatility in opening up watch options. One owner notes the watch's dimensions are 42mm x 49.5mm x 10.5mm. A specific example of the GL0080's black PVD with red accents is highlighted for its unique look. On the other hand, one owner reports the lume on the 6 o'clock marker appears slightly underapplied and the lume itself seemed weak under artificial light. Bracelet sizing proved difficult for one owner due to tight drift pins. Overall, owners rate the Glycine Men's Combat Sub 42mm Automatic Watch GL0080 highly for its exceptional value and wearability.
Owners widely report that the Seiko 5 Sports Dual-Crown Diver SRPB29 lacks a screw-down crown, which one owner finds disqualifying for sports or water use. One owner notes the crown position is awkward and the watch feels too tall and bulky, with material quality around the date window not standing out for its price point. Another owner prefers a 38mm size for a diver, finding the 42mm SRPD55 too large. On balance, owners express reservations about the Seiko 5 Sports Dual-Crown Diver SRPB29's practicality for water activities and its perceived value compared to other brands.
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