Side by side

Citizen Atomic Perpetual A-TvsSeiko Prospex Rotocall

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

Prospex Rotocall
SeikoProspex Rotocall
MSRP $550

At a glance

11 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Prospex Rotocall37mm
Power Reserve
Atomic Perpetual A-T40h
Prospex Rotocall40h
Water Resistance
Atomic Perpetual A-T200m
Prospex Rotocall100m
MSRP
Atomic Perpetual A-T
Prospex Rotocall$550

Full specifications

Case

5 specs
Category
Pilot
Sport
Diameter
41mm
37mm
Thickness
12mm
10.6mm
Lug-to-Lug
46mm
43.5mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
AR Coating
Underside
Inner
Dial Color
Blue
Black

Movement

2 specs
Caliber
H800
A824
Type
Solar
Quartz

Pricing

1 specs
MSRP
$550

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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.

Seiko Prospex Rotocall

Owners widely praise the Seiko Prospex Rotocall for its charismatic retro design and comfortable 37mm size, with many appreciating its space-faring heritage. However, multiple sources criticize its price point, suggesting it is too high for an all-digital quartz watch with features like a stamped clasp, mineral crystal, and standard quartz movement. Some owners also note drawbacks such as a flimsy battery mount and split pin bracelet construction. On balance, owners and reviewers find the Seiko Prospex Rotocall visually appealing and a faithful re-release, but its value proposition is frequently questioned due to its price.

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