Glycine Combat 6 ClassicvsSeiko 6218-8971
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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 6 Classic

6218-8971
Diameter
36mm
37mm
Lug-to-Lug
n/a
44.5mm
Thickness
n/a
12mm
Water Resistance
50m
n/a
MSRP
$545
n/a
Movement
Sellita SW200-1
Seiko 6218
Case
6 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Glycine Unisex Combat 6 Classic 36mm Automatic Watch GL0107 is praised for its slim profile, around 10mm to 10.6mm thick, and its 36mm diameter, which owners find advantageous for smaller wrists. Reviewers and owners note a 38-hour power reserve and a sunray-finish dial with polished steel baton hands and straight hour markers, though some find the hands get lost against the cream dial. One owner criticized the stiff leather strap and weak lume, while another pointed out the lack of AR coating on the sapphire crystal. On balance, owners and reviewers rate the Glycine Unisex Combat 6 Classic 36mm Automatic Watch GL0107 highly for its wearability and value, with its slim 36mm case being a key draw.
The Seiko 6218-8971 is praised for its full date window, hidden crown, and beautiful case design, with owners noting its narrow bezel that highlights the dial, a graduated chapter ring, beautiful fonts, split day/date windows, and dauphine hands. The day display at 6 o'clock is considered unique for Seiko. One owner reported that the day/date function stopped working after a service, and Seiko technicians were unable to resolve the issue. Overall, owners rate the Seiko 6218-8971 highly for its unique dial layout and attractive case design.
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