Side by side

Citizen Atomic Perpetual A-TvsLongines HYDROCONQUEST

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

HYDROCONQUEST
LonginesHYDROCONQUEST
MSRP $2,350

At a glance

11 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
HYDROCONQUEST39mm
Power Reserve
Atomic Perpetual A-T40h
HYDROCONQUEST40h
Water Resistance
Atomic Perpetual A-T200m
HYDROCONQUEST300m
MSRP
Atomic Perpetual A-T
HYDROCONQUEST$2,350

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
41mm
39mm
Thickness
12mm
12.2mm
Lug-to-Lug
46mm
48.1mm
Lug Width
20mm
19mm
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Blue
Grey

Movement

2 specs
Caliber
H800
L888.5
Type
Solar
Automatic

Pricing

1 specs
MSRP
$2,350

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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.

Longines HYDROCONQUEST

Owners widely praise the Longines HydroConquest's dial and finishing, with one owner finding it superior to a Rolex Submariner. The movement is noted as well-regulated, losing about 2 seconds per day. The watch is considered a versatile everyday or business-casual option, offering good value. However, owners criticize the bracelet for lacking tool-less micro-adjustment and describe winding the crown as a nuisance. Some in the line report tiny GMT markers that are difficult to read and the absence of a quick date adjust feature. Overall, owners rate the Longines HydroConquest highly for its finishing and value.

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