Glycine Combat SubvsMomentum M20 DSS

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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.

Glycine Combat Sub at true scale

Combat Sub

Momentum M20 DSS at true scale

M20 DSS

Diameter

40mm

42mm

Thickness

11.2mm

n/a

Water Resistance

200m

200m

MSRP

$225

lowest

$329

Movement

515

Ronda 515

Case

7 specs
Diameter
40mm
42mm
Thickness
11.15mm
n/a
Lug-to-Lug
n/a
n/a
Lug Width
20mm
n/a
Material
Stainless Steel
n/a
Finish
n/a
n/a
Caseback
n/a
n/a

Crystal & Dial

5 specs
Crystal Shape
n/a
n/a
AR Coating
n/a
n/a
Dial Color
Green
n/a
Indices
n/a
n/a
Lume
Luminous
None

Movement

5 specs
Caliber
515
Ronda 515
Beat Rate
n/a
0 vph
Power Reserve
n/a
0h
Jewels
1
0
Complications
Date
None

Pricing

1 specs
MSRP
$225
$329
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Glycine Combat Sub

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.

From video reviewers

The slim case profile and comfortable wearability are praised. The bezel action received criticism for having slight play and a less-than-satisfying click.

Momentum M20 DSS

Owners widely praise the Momentum M20 DSS for its extreme toughness and go-anywhere, do-anything dive watch persona, with many noting its appearance significantly exceeds online depictions. Reviewers and owners alike highlight its acceptable fit and finish for the price, double-domed sapphire crystal, and machined clasp. The 42mm case is considered a great size for those who prefer larger watches, contributing to its lightness and long-term usability. One owner reports the bezel insert lume pip snapped off multiple times, though replacements were provided free of charge. On balance, owners rate the Momentum M20 DSS highly for its robust build and appealing aesthetics that punch above their price point.

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