Side by side

Citizen Atomic Perpetual A-TvsStudio Underd0g Mint Choc Chip (Gen3)

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

At a glance

11 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Mint Choc Chip (Gen3)38.5mm
Power Reserve
Atomic Perpetual A-T40h
Mint Choc Chip (Gen3)40h
Water Resistance
Atomic Perpetual A-T200m
Mint Choc Chip (Gen3)
MSRP
Atomic Perpetual A-T
Mint Choc Chip (Gen3)$550

Full specifications

Case

6 specs
Category
Pilot
Chronograph
Diameter
41mm
38.5mm
Thickness
12mm
Lug-to-Lug
46mm
Lug Width
20mm
Water Resistance
200m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Blue
Standard

Movement

2 specs
Caliber
H800
Type
Solar
Automatic

Pricing

1 specs
MSRP
$550

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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.

Studio Underd0g Mint Choc Chip (Gen3)

Owners and reviewers praise the Studio Underd0g Mint Choc Chip (Gen3) for its unique, visually striking design, featuring an asymmetrical dial, textured two-tone finish, orange chrono hand tips, and chocolate chip hour markers, all housed in a comfortable 38.5mm case with a hand-winding SeaGull ST-1901 movement and a goat-skin strap. Some owners, however, find the watch overpriced for its movement and dial quality, and a few feel it appears toy-like on larger wrists. Overall, owners and reviewers value the Studio Underd0g Mint Choc Chip (Gen3) for its distinctive aesthetic and comfortable wear, despite some reservations about price and perceived scale.

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