Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsSeiko Coutura

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
Coutura
SeikoCoutura
MSRP $550
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.

Seiko Coutura

Seiko Coutura owners widely praise its solar and perpetual calendar features for reliability and low maintenance, with many appreciating its captivating appearance and comfortable, albeit sometimes gaudy, design. The metal treatments are noted for wear resistance, with one owner reporting minimal scratching after six years. However, opinions on styling are divided; some find the dial busy and accents potentially "fake gold," while others enjoy its unique and fun aesthetic. The proprietary bracelet is a point of dissatisfaction for some, and one owner felt the watch sat too high and looked like a replica. Another owner reported a poor solar power reserve requiring constant light exposure, though a kinetic perpetual model was noted for a 4-year power reserve. Overall, owners rate the Seiko Coutura highly for its solar and perpetual calendar complications, viewing it as a reliable and attractive "guilty pleasure."

At a glance

11 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Coutura45.6mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Coutura40h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Coutura100m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Coutura$550

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
41mm
45.6mm
Thickness
12mm
11.7mm
Lug-to-Lug
47mm
56mm
Lug Width
20mm
15mm
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
LumiBrite on Hands

Movement

1 specs
Caliber
Ronda 517
7T12

Pricing

1 specs
MSRP
$604
$550
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