Glycine Combat SubvsScurfa M.S.21 Diver One Limited Edition

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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

M.S.21 Diver One Limited Edition
Diameter
40mm
40mm
Lug-to-Lug
n/a
47.7mm
Thickness
11.2mm
lowest
14.4mm
Water Resistance
200m
500m
highest
MSRP
$225
lowest
$264
Movement
515
Ronda 715SM
Case
6 specsCrystal & Dial
5 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 and reviewers praise the Scurfa M.S.21 Diver One Limited Edition for its toolish, affordable titanium construction, featuring a fully brushed case, drilled lugs, and a 120-click bezel. The watch is lauded for its excellent lume, with one owner calling it the best they have seen, and the titanium case is highlighted as a game-changer for its warmth and lightweight feel. The Ronda 715SM quartz movement is noted as being the same caliber found in more expensive watches from brands like Tissot and Marathon. Overall, owners and reviewers rate the Scurfa M.S.21 Diver One Limited Edition highly for its exceptional value and practical, robust design.
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