Glycine Combat Sub SportvsSeiko Prospex Alpinist
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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 Sport

Prospex Alpinist
Diameter
39mm
38mm
Lug-to-Lug
n/a
46mm
Thickness
n/a
12.9mm
Water Resistance
300m
highest
200m
Power Reserve
n/a
70h
MSRP
$515
$503
lowest
Movement
Sellita SW200-1
Seiko 6R35
Case
4 specsCrystal & Dial
2 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 Men's Combat Sub Sport 39mm Automatic Watch GL0408 for its precise timekeeping and sleek, non-homage design. Many regret not opting for the 39mm size, finding it a comfortable and thin profile for their wrists. One owner notes a slight color mismatch between the lume pip and dial lume. The watch is considered good value for a Swiss-made timepiece with a Sellita movement, screw-down crown, sapphire crystal, and 300m water resistance. Overall, owners rate the Glycine Men's Combat Sub Sport 39mm Automatic Watch GL0408 highly for its wearability and value proposition.
Owners widely praise the Seiko Prospex Alpinist for its excellent 38mm case size and versatile design, making it a capable everyday and business-casual watch. The dark green sunburst dial is a standout feature, described as dynamic and beautifully textured. Its character is further enhanced by the compass bezel and gold indices, and it is considered a great "GADA" (Go Anywhere, Do Anything) watch and a "strap monster" adaptable to various bands. One owner notes the gold tone is less convincing than solid gold alternatives. Overall, owners rate the Seiko Prospex Alpinist highly for its appealing design and wearability at the price point.
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