Side by side

Citizen Atomic Perpetual A-TvsLorier Hyperion SII Skyward

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

Hyperion SII Skyward
LorierHyperion SII Skyward
MSRP $599

At a glance

9 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Hyperion SII Skyward39mm
Power Reserve
Atomic Perpetual A-T40h
Hyperion SII Skyward40h
Water Resistance
Atomic Perpetual A-T200m
Hyperion SII Skyward200m
MSRP
Atomic Perpetual A-T
Hyperion SII Skyward$599

Full specifications

Case

4 specs
Category
Pilot
GMT
Diameter
41mm
39mm
Thickness
12mm
Lug-to-Lug
46mm

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Blue
Skyward

Movement

2 specs
Caliber
H800
Type
Solar
Automatic

Pricing

1 specs
MSRP
$599

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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.

Lorier Hyperion SII Skyward

Owners widely praise the Lorier Hyperion SII Skyward for its comfortable, thin, and light wearability, with one owner noting a perfect case width and another highlighting its 10.7mm thickness. The bi-directional GMT bezel is described as decent for its price, and the movement is considered fine and accurate, making it a low-key travel watch. The bracelet is also noted as well-made and finished for the price. On balance, owners rate the Lorier Hyperion SII Skyward highly for its comfortable wearability and value as a mechanical GMT.

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