Side by side

Citizen Atomic Perpetual A-TvsLum-Tec Eclipse

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

Eclipse
Lum-TecEclipse
MSRP $695

At a glance

12 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Eclipse42mm
Power Reserve
Atomic Perpetual A-T40h
Eclipse40h
Water Resistance
Atomic Perpetual A-T200m
Eclipse101m
MSRP
Atomic Perpetual A-T
Eclipse$695

Full specifications

Case

7 specs
Category
Pilot
Sport
Diameter
41mm
42mm
Thickness
12mm
Lug-to-Lug
46mm
Lug Width
20mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Water Resistance
200m
101m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Blue
E6

Movement

2 specs
Caliber
H800
Miyota 9039
Type
Solar
Automatic

Pricing

1 specs
MSRP
$695

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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.

Lum-Tec Eclipse

Owners widely praise the Lum-Tec Eclipse for its comfortable, slim profile and thin wearability, with specific commendations for its beautiful dial, good readability, and bracelet design. The knurling on the crown is also noted as a positive feature. Some owners express concern over the 42mm case size and find the dial's font and indices unappealing, though others appreciate the deep-dish slant. One owner notes a slight gap where the lugs meet the bracelet. The Lum-Tec Eclipse e3 variant features a Miyota 9039 movement, a solid bracelet, a sunburst dial, and exceptionally bright lume. Overall, owners rate the Lum-Tec Eclipse highly for its slim design and attractive dial at its price point.

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