Side by side

Citizen Atomic Perpetual A-TvsCWC Automatic Divers Watch Mk.2 Black

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

Automatic Divers Watch Mk.2 Black
CWCAutomatic Divers Watch Mk.2 Black
MSRP $1,249

At a glance

9 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Automatic Divers Watch Mk.2 Black41mm
Power Reserve
Atomic Perpetual A-T40h
Automatic Divers Watch Mk.2 Black40h
Water Resistance
Atomic Perpetual A-T200m
Automatic Divers Watch Mk.2 Black300m
MSRP
Atomic Perpetual A-T
Automatic Divers Watch Mk.2 Black$1,249

Full specifications

Case

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

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Blue
CWC Automatic Divers Watch Mk.2 Black (SF300 AS120)
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
H800
Sellita SW200-1
Type
Solar
Automatic

Pricing

1 specs
MSRP
$1,249

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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 Automatic Divers Watch Mk.2 Black

Owners widely praise the CWC Automatic Divers Watch Mk.2 Black for its brushed chapter ring, precise 120-click bezel, clear sapphire crystal, excellent case finishing, and significantly improved lume. The watch is considered a terrific value with solid construction. Some owners express a preference for a matte finish for a more tool-like appearance, though polished versions offer a dressier look and easier scratch removal. On balance, owners rate the CWC Automatic Divers Watch Mk.2 Black highly for its tool-like features and excellent value.

From video reviewers

The bezel action is smooth. The price has increased due to popularity.

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