Glycine Combat SubvsSeiko 5M43-0B30
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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

5M43-0B30
Diameter
40mm
42mm
Lug-to-Lug
n/a
48mm
Water Resistance
200m
200m
MSRP
$225
n/a
Movement
Quartz
Seiko 5M43
Case
4 specsCrystal & Dial
1 specsMovement
1 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 40mm Quartz Watch GL1062 for its quality and value, describing it as a great grab-and-go daily watch with good finishing and a comfortable bracelet. Reviewers highlight its sleek, thin profile, noting its 10.8mm height and downward-curving lugs contribute to comfortable wearability, even on smaller wrists. The watch features a sapphire crystal and a solid link bracelet with a milled diver's extension. One owner reported their Ronda 515 quartz movement was accurate, while another found the bezel arrived dinged and detached after a light impact. Some owners dislike the Mercedes hands. On balance, owners rate the Glycine Men's Combat Sub 40mm Quartz Watch GL1062 highly for its comfortable wearability and excellent value.
Owners praise the Seiko 5M43-0B30 for its stunning textured dial and JDM-exclusive Kanji day wheel, with one owner highlighting its excellent lume. The 42mm kinetic movement requires capacitor replacement every 3-4 years, a common maintenance item for '90s kinetic watches, costing around $20 for a replacement cell. One owner noted a potential issue with the kinetic movement after extensive swinging, causing it to advance by a double-tick. On balance, owners appreciate the Seiko 5M43-0B30 for its unique dial and day wheel, despite the expected maintenance for its kinetic movement.
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