Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsMassena LAB Dato-Racer

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
Dato-Racer
Massena LABDato-Racer
MSRP $1,595

At a glance

12 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Dato-Racer40mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Dato-Racer38h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Dato-Racer50m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Dato-Racer$1,595

Full specifications

Case

5 specs
Category
Diver
Sport
Diameter
41mm
40mm
Thickness
12mm
10.5mm
Lug-to-Lug
47mm
46mm
Water Resistance
300m
50m

Crystal & Dial

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

Movement

4 specs
Caliber
Ronda 517
SW400-1
Type
Quartz
Automatic
Power Reserve
40h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$604
$1,595

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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.

Massena LAB Dato-Racer

Owners widely praise the Massena LAB Dato-Racer as an excellent everyday watch, appreciating its blend of 1970s-inspired aesthetics with modern dimensions. This model is a limited edition of 99 pieces. On balance, owners rate the Massena LAB Dato-Racer highly for its successful fusion of vintage design and contemporary wearability.

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