Glycine Men's Combat Sub Sport 42mm Automatic Watch GL0392vsSeiko 5KX

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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.

Men's Combat Sub Sport 42mm Automatic Watch GL0392

5KX
Diameter
42mm
42.5mm
Lug-to-Lug
n/a
46mm
Thickness
n/a
13.4mm
Water Resistance
200m
highest
100m
Power Reserve
n/a
41h
MSRP
$540
$350
lowest
Movement
Sellita SW200-1
Seiko 4R36
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners praise the Glycine Men's Combat Sub Sport 42mm Automatic Watch GL0392 for its wearability, citing its 10.4mm thinness and inwardly curved lugs, making it comfortable even on smaller wrists. The lume is noted to last longer than a Seiko SKX007's, though one owner observed the 6 o'clock lume was slightly underapplied and the lume itself seemed weak in a brief test. The watch is widely available around $300, though it has been advertised for over $1000. Overall, owners rate the Glycine Men's Combat Sub Sport 42mm Automatic Watch GL0392 highly for its value and comfortable, sharp design.
Owners widely praise the Seiko 5KX for its strong lume and value, with many reporting accuracy within +/-5 to 10 seconds per day, though some experience +/-1 second. The 42.5mm case is noted to wear smaller, and the watch offers a comfortable feel for many. Some owners are split on the bracelet quality, with opinions ranging from "cheaper side" with hollow links to "flimsy-feeling" jubilee. A few quality control issues have been reported, including a failed bezel clickspring and misaligned components. The Seiko 5KX is seen by some as a worthy successor to the original SKX, offering an upgraded movement with hacking and hand-winding capabilities, though others lament the loss of ISO certification and a screw-down crown. Overall, owners rate the Seiko 5KX highly for its excellent lume and value proposition, making it a popular choice for everyday wear.
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