Glycine Men's Combat Sub Sport GMT 42mm Automatic Watch GL0380vsSeiko 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 GMT 42mm Automatic Watch GL0380

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
$795
$350
lowest
Movement
Sellita SW330-2
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 widely praise the Glycine Combat GMT for its value, with one owner noting its compelling specs at a price point of $500-550 USD and another calling Glycine underrated for value. The watch is considered a great travel watch, and its lume lasts longer than a Seiko SKX007's. However, the bezel action is described as too rough and scratchy, though it feels distinct and solid. One owner dislikes the magnified date window and the legibility of red date digits on a black background, with another unable to read the date under any lighting conditions. The Glycine Combat Sub Sport GMT 42mm Automatic Watch GL0380 measures 42mm x 49.5mm x 10.5mm. On balance, owners rate the Glycine Men's Combat Sub Sport GMT 42mm Automatic Watch GL0380 highly for its value proposition and travel watch utility, despite some criticisms regarding the date window and bezel action.
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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