Side by side

Citizen Atomic Perpetual A-TvsHELM Miyako

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

Miyako
HELMMiyako
MSRP $375

At a glance

14 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Miyako40mm
Power Reserve
Atomic Perpetual A-T40h
Miyako42h
Water Resistance
Atomic Perpetual A-T200m
Miyako200m
MSRP
Atomic Perpetual A-T
Miyako$375

Full specifications

Case

5 specs
Category
Pilot
Diver
Diameter
41mm
40mm
Thickness
12mm
13.75mm
Lug-to-Lug
46mm
47mm
Lug Width
20mm
22mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Double-Domed
AR Coating
Underside
Yes
Dial Color
Blue
Gray
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
H800
Type
Solar
Automatic
Power Reserve
40h
42h
Jewels
25
24

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.

HELM Miyako

HELM Miyako owners widely praise its exceptional value and quality, with multiple reports highlighting its stunning appearance and dial details. The watch is noted for its excellent accuracy, with figures around +1.5 to +2 seconds per day. One owner found the HELM Miyako to be tough and versatile, fitting well on a 6.6-inch wrist. Overall, owners consider the HELM Miyako an amazing value and a great watch, worth the wait for its availability.

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