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.

Glycine Men's Combat Sub Sport GMT 42mm Automatic Watch GL0380 at true scale

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

Seiko 5KX at true scale

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 specs
Diameter
42mm
42.5mm
Thickness
n/a
13.4mm
Lug-to-Lug
n/a
46mm
Lug Width
n/a
22mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
n/a
Blue
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW330-2
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$795
$350
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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

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.

Seiko 5KX

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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