Side by side

Citizen Atomic Perpetual A-TvsSeiko Essentials Solar

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

Essentials Solar
SeikoEssentials Solar
MSRP $375

At a glance

13 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Essentials Solar30.5mm
Power Reserve
Atomic Perpetual A-T40h
Essentials Solar40h
Water Resistance
Atomic Perpetual A-T200m
Essentials Solar
MSRP
Atomic Perpetual A-T
Essentials Solar$375

Full specifications

Case

6 specs
Category
Pilot
Dress
Diameter
41mm
30.5mm
Thickness
12mm
6.8mm
Lug-to-Lug
46mm
37.7mm
Lug Width
20mm
12mm
Water Resistance
200m
Splash Resistant

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
AR Coating
Underside
Inner
Dial Color
Blue
Black

Movement

2 specs
Caliber
H800
V115
Type
Solar
Quartz

Pricing

1 specs
MSRP
$375

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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 Essentials Solar

Owners find the Seiko Essentials Solar a beautiful and lightweight daily wear, particularly for its value on the grey market. One owner noted the 41mm size did not appear large in person. A single owner reported an orange stripe on a stopwatch button detached due to heat. Overall, owners rate the Seiko Essentials Solar highly for its attractive aesthetic and comfortable wearability at its price point.

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