Glycine Combat SubvsVaer D4 Outerknown Solar Diver
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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

D4 Outerknown Solar Diver
Diameter
40mm
39mm
Lug-to-Lug
n/a
46mm
Thickness
11.2mm
lowest
13.2mm
Water Resistance
200m
200m
MSRP
$225
lowest
$549
Movement
515
Quartz
Case
6 specsCrystal & Dial
6 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Glycine Combat Sub for its slim profile, with multiple sources noting thicknesses around 10.4mm to 10.8mm, and its well-proportioned, non-homage design that wears comfortably. Reviewers and owners consistently highlight its exceptional value and quality for the price, with one owner reporting accuracy rivaling COSC standards and exceptional durability. The bezel action is described as buttery smooth, and the dial features tasteful indices and crisp fonts, with one specific gold and blue variant lauded for its refined aesthetic. However, multiple sources flag the lume as sub-par and difficult to read at night, and some owners note inconsistent power reserve. Overall, owners and reviewers rate the Glycine Combat Sub highly for its exceptional value and slim, comfortable wearability.
The slim case profile and comfortable wearability are praised. The bezel action received criticism for having slight play and a less-than-satisfying click.
Owners widely praise the Vaer D4 Outerknown Solar Diver for its value, citing features like a sapphire crystal, AR coating, and solar movement. Reviewers and owners alike highlight its attractive design, with specific mentions of the two-tone blue and black dial, sunburst dial, and contrasting minute hand. The 39mm case is generally considered comfortable, particularly for a 7-inch wrist, and the bezel action is satisfying. Some owners report excellent lume and a solid anti-reflective coating on the crystal. However, one owner notes the watch appears large and questions its wearability on smaller wrists. Overall, owners rate the Vaer D4 Outerknown Solar Diver highly for its strong value proposition and attractive aesthetic.
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