Side by side

Islander Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302vsSpinnaker Dumas GMT

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
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

18 of 29 specs differ
Diameter
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-30240mm
Dumas GMT44mm
Power Reserve
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302
Dumas GMT40h
Water Resistance
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302200m
Dumas GMT300m
MSRP
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302$649
Dumas GMT$399

Full specifications

Case

9 specs
Category
Diver
GMT
Diameter
40mm
44mm
Thickness
12.1mm
15mm
Lug-to-Lug
0mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Blue
Indices
Applied

Movement

4 specs
Caliber
Miyota 9015
Seiko NH34A
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$649
$399

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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.

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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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