Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsYema Wristmaster Slim CMM.20

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
Wristmaster Slim CMM.20
YemaWristmaster Slim CMM.20
MSRP $2,117
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.

Yema Wristmaster Slim CMM.20

The Yema Wristmaster Slim CMM.20 is widely praised for its compelling integrated bracelet design and comfortable 39mm wearability. Reviewers highlight its impressive value, featuring an in-house CMM.20 micro-rotor movement with a 70-hour power reserve, adjusted to -3/+7 seconds per day, all within a slim 9mm case. Some note the domed sapphire crystal can produce glare and the dial text is quite small. On balance, reviewers rate the Yema Wristmaster Slim CMM.20 highly for its integrated design and value proposition with a micro-rotor movement.

At a glance

13 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Wristmaster Slim CMM.2039mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Wristmaster Slim CMM.2040h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Wristmaster Slim CMM.20100m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Wristmaster Slim CMM.20$2,117

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
41mm
39mm
Thickness
12mm
9mm
Lug-to-Lug
47mm
Lug Width
20mm
24mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Ronda 517
Yema CMM.20
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$604
$2,117
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