Side by side

Citizen Atomic Perpetual A-TvsSternglas Naos Solar

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

Naos Solar
SternglasNaos Solar
MSRP $323

At a glance

12 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Naos Solar38mm
Power Reserve
Atomic Perpetual A-T40h
Naos Solar
Water Resistance
Atomic Perpetual A-T200m
Naos Solar50m
MSRP
Atomic Perpetual A-T
Naos Solar$323

Full specifications

Case

5 specs
Category
Pilot
Dress
Diameter
41mm
38mm
Thickness
12mm
10mm
Lug-to-Lug
46mm
42mm
Water Resistance
200m
50m

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Blue
Lume
None
Luminova Punkten

Movement

3 specs
Caliber
H800
Seiko VJ76
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$323

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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.

Sternglas Naos Solar

Owners widely praise the Sternglas Naos Solar for its elegant Bauhaus-inspired minimalist dial, slim profile, and value for money. The scratch-resistant curved sapphire crystal and functional date mechanism are noted as durable features, with one owner reporting good wear over a year. The solar power and accuracy are highlighted as practical advantages over automatic movements, which some find loud. However, opinions are split, with some owners finding the watch underwhelming and cheap-looking, like a toy, while others love its appearance in person and its clean, appealing design as a smartwatch alternative. The stock leather strap is described as decent but basic and potentially short for larger wrists, with one owner advising a third-party replacement for durability. One owner of a different variant noted the date font is too small to be useful.

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