Side by side

Citizen Atomic Perpetual A-TvsPhoibos Sea Nymph

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

Sea Nymph
PhoibosSea Nymph
MSRP $240

At a glance

11 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Sea Nymph36mm
Power Reserve
Atomic Perpetual A-T40h
Sea Nymph40h
Water Resistance
Atomic Perpetual A-T200m
Sea Nymph300m
MSRP
Atomic Perpetual A-T
Sea Nymph$240

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
41mm
36mm
Thickness
12mm
9.8mm
Lug-to-Lug
46mm
42mm
Lug Width
20mm
18mm
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Underside
Yes
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
H800
SWISS RONDA 705
Type
Solar
Quartz

Pricing

1 specs
MSRP
$240

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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.

Phoibos Sea Nymph

Owners widely praise the Phoibos Sea Nymph's unique mother-of-pearl dial and distinctive bezel styling, with some finding it a good fit for smaller wrists. The 36mm case size is considered unisex, though some owners find it too small for larger wrists, while others enjoy it as a summer watch. The consensus is that the Phoibos Sea Nymph is a fun, visually interesting watch, with its polarizing bezel design being a key talking point.

From video reviewers

The watch features a double-domed sapphire crystal with anti-reflective coating and a reliable Swiss Ronda 705 quartz movement. Reviewers noted the inclusion of both a leather and a rubber strap.

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