Side by side

Citizen Atomic Perpetual A-TvsIslander Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302

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

Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302
IslanderIslander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302
MSRP $649

At a glance

15 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-30240mm
Power Reserve
Atomic Perpetual A-T40h
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302
Water Resistance
Atomic Perpetual A-T200m
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302200m
MSRP
Atomic Perpetual A-T
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302$649

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
41mm
40mm
Thickness
12mm
12.1mm
Lug-to-Lug
46mm
0mm
Finish
Brushed and polished
Caseback
Solid
Screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
Dial Color
Blue
Indices
Applied

Movement

5 specs
Caliber
H800
Miyota 9015
Type
Solar
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$649

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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 Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302

Owners widely praise the Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302 for its eye-catching degrading black dial and strong lume. Some owners note the bracelet's tight links and rough clasp edges as drawbacks, though one owner received a replacement bracelet that improved wearability. Opinions are split on the watch's design, with some finding it overdesigned and reminiscent of older Seiko mods, while others appreciate its originality and find it appealing, particularly at its discounted price. On balance, owners appreciate the Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302 for its unique dial and value, despite some reservations about the bracelet finishing.

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