Side by side

Citizen Atomic Perpetual A-TvsIslander Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323

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

Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323
IslanderIslander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323
MSRP $449

At a glance

16 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-32342mm
Power Reserve
Atomic Perpetual A-T40h
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323
Water Resistance
Atomic Perpetual A-T200m
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323200m
MSRP
Atomic Perpetual A-T
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323$449

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
41mm
42mm
Thickness
12mm
14mm
Lug-to-Lug
46mm
0mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Caseback
Solid
Screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
Domed
Dial Color
Blue
Indices
Applied

Movement

5 specs
Caliber
H800
Seiko NH38
Type
Solar
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$449

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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.

Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323

Owners widely praise the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 for its stunning radiant blue dial and red seconds hand, with some noting its resemblance to a luxury model. The watch is frequently cited as offering excellent value for its price. Some owners express a dislike for the circle/triangle logo, while others appreciate the availability of both 38mm and 43mm size options. Overall, owners rate the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 highly for its aesthetic appeal and value proposition.

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