Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsGlycine Combat Sub

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

RN Quartz Divers Watch Mk.2, Matte Top
CWCRN Quartz Divers Watch Mk.2, Matte Top
MSRP $604
Combat Sub
GlycineCombat Sub
MSRP $895

At a glance

17 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Combat Sub40mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Combat Sub
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Combat Sub200m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Combat Sub$895

Full specifications

Case

6 specs
Diameter
41mm
40mm
Thickness
12mm
11.15mm
Lug-to-Lug
47mm
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Green
Indices
Applied
Lume
Super-LumiNova
Luminous

Movement

5 specs
Caliber
Ronda 517
515
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
25
1
Complications
None
Date

Pricing

1 specs
MSRP
$604
$895

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What people say

Owners + reviewers, side by side

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

CWC RN Quartz Divers Watch Mk.2, Matte Top

Owners widely praise the CWC RN Quartz Divers Watch Mk.2, Matte Top for its excellent matte case finishing, precise seconds hand alignment, and dial reminiscent of vintage military watches. The Mk.2 upgrades, including a sapphire crystal, improved lume, and a precise 120-click bezel described as perfection with no play, are consistently highlighted as significant improvements over earlier versions. One owner noted the quartz movement gained 8 seconds over several months. Overall, owners rate the CWC RN Quartz Divers Watch Mk.2, Matte Top highly for its solid construction, military significance, and terrific value.

Glycine Combat Sub

The Glycine Combat Sub is widely praised for its exceptional thinness, with multiple sources highlighting its sub-11mm case height and comfortable wearability, even on smaller wrists. Owners appreciate its unique, non-homage aesthetic, refined finishing, and excellent value for money. Specific positive notes include a buttery smooth bezel action, tasteful indices, crisp font, and a matching date wheel. Accuracy is reported to rival COSC standards by one owner, and durability is noted as exceptional. However, some owners report inconsistent power reserve and sub-par lume that is difficult to read in low light. On balance, owners and community members rate the Glycine Combat Sub highly for its slim profile and unique design at an accessible price point.

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.

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