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Home/Browse/Citizen/Atomic Perpetual A-T
Citizen Atomic Perpetual A-T — Blue
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Citizen Atomic Perpetual A-T

Ref. AT8300
Pilot

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.

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Atomic Perpetual A-T
World Chronograph A-T
2 Variants
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Case
41mm
Power Reserve
—
Movement
Solar
Water Resistance
200m
Crystal
Sapphire + AR
01

Case Dimensions

Diameter41mm
Thickness—
Lug-to-Lug—
Lug Width—
02

Case Build

MaterialStainless Steel
Water Resistance200m
03

Crystal & Dial

CrystalSapphire
AR CoatingUnderside
Dial ColorBlue
04

Movement

Caliber
H800
TypeSolar
Beat Rate—
Power Reserve—
Jewels—
HackingNo
Hand-WindingNo
ComplicationsSynchronized to Atomic Time Clock for Superior Accuracy, Atomic Timekeeping Technology with Synchronized Time Adjustment Available in 26 Time Zones, 1/20 Second Chronograph Measures up to 60 Minutes, Perpetual Calendar, 12/24 Hour Time, Power Reserve Indicator, Day/Date
05

Design Language

Dial styleMatte
Sub-dials2
Bezel24-hour (GMT)
Bracelet / strapLug-attached bracelet
HandsBaton
AI-detected from product image · 5/22/2026

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