Side by side

Citizen Atomic Perpetual A-TvsCWC RN Quartz Divers Watch Mk.2, Matte Top

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

At a glance

9 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
RN Quartz Divers Watch Mk.2, Matte Top41mm
Power Reserve
Atomic Perpetual A-T40h
RN Quartz Divers Watch Mk.2, Matte Top40h
Water Resistance
Atomic Perpetual A-T200m
RN Quartz Divers Watch Mk.2, Matte Top300m
MSRP
Atomic Perpetual A-T
RN Quartz Divers Watch Mk.2, Matte Top$604

Full specifications

Case

3 specs
Category
Pilot
Diver
Lug-to-Lug
46mm
47mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
H800
Ronda 517
Type
Solar
Quartz

Pricing

1 specs
MSRP
$604

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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.

Citizen Atomic Perpetual A-T

Owners widely praise the Citizen Atomic Perpetual A-T for its handsome appearance, solid fit and finish, comfortable bracelet, and intuitive world time function. Its perpetual calendar and atomic timekeeping are highlighted as major conveniences, maintaining accuracy within 0.5 seconds even without syncing, and owners appreciate its "set & forget" nature and solar charging. The watch features a modest, stylish blue dial with delicate design details and a clutter-free layout, along with high water resistance without a screw-down crown and light titanium construction. Some find the dial unnecessarily busy, and its time zone functionality is noted as less useful outside the US, with atomic sync being less compelling below the equator. Accuracy is reported as +/-15 seconds per month if not syncing, but +/-0 seconds if it syncs via radio signal. Some find the watch a bit on the large side.

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.

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