Side by side

Citizen Atomic Perpetual A-TvsRedux Zero-Hour

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

Zero-Hour
ReduxZero-Hour

At a glance

10 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Zero-Hour39mm
Power Reserve
Atomic Perpetual A-T40h
Zero-Hour41h
Water Resistance
Atomic Perpetual A-T200m
Zero-Hour200m
MSRP
Atomic Perpetual A-T
Zero-Hour

Full specifications

Case

5 specs
Category
Pilot
Diameter
41mm
39mm
Thickness
12mm
13.7mm
Lug-to-Lug
46mm
46.6mm
Material
Stainless Steel
Titanium

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Blue
Black

Movement

3 specs
Caliber
H800
Seiko NH35
Type
Solar
Automatic
Power Reserve
40h
41h

Follow this matchup

Get a note when Citizen Atomic Perpetual A-T vs Redux Zero-Hour gets more votes, a community discussion, or a price drop. No account needed.

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.

Redux Zero-Hour

Owners widely praise the Redux Courg Type 39MM for its robust, no-nonsense design and good overall quality, with a reliable Seiko NH53A movement keeping time well. The titanium case and crystal have shown scratch resistance, and the bezel action is described as tight by some. Reviewers note the proprietary RDXB1 or blue lume glows brilliantly, though briefly. Some owners flag the crown stem as flimsy and the unidirectional bezel as having some play. Overall, owners rate the Redux Courg Type 39MM highly for its functional tool-watch design and durable titanium construction.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.