Side by side

Islander Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302vsGrand Seiko SBGW257

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
SBGW257
Grand SeikoSBGW257
MSRP $38,000

At a glance

19 of 29 specs differ
Diameter
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-30240mm
SBGW25738mm
Power Reserve
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302
SBGW25772h
Water Resistance
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302200m
SBGW25730m
MSRP
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302$649
SBGW257$38,000

Full specifications

Case

9 specs
Category
Diver
Dress
Diameter
40mm
38mm
Thickness
12.1mm
10.9mm
Lug-to-Lug
0mm
45.8mm
Lug Width
20mm
19mm
Material
Stainless Steel
Platinum
Finish
Brushed and polished
Water Resistance
200m
30m
Caseback
Screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Yes
Dial Color
Black
Indices
Applied

Movement

5 specs
Caliber
Miyota 9015
9S64
Type
Automatic
Manual
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
72h
Jewels
0
25

Pricing

1 specs
MSRP
$649
$38,000

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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.

Grand Seiko SBGW257

The Grand Seiko SBGW257 is a platinum dress watch praised for its refined, subtle luxury and classic design. Reviewers highlight its 38mm diameter and 10.9mm thickness as near-perfect sizing for a dress watch. The watch features an 18k white gold dial with a sunray-brushed silver finish and gold hour markers, complemented by a refined application of the Grand Seiko wordmark. It is powered by the manual-wind Caliber 9S64 movement, offering a 72-hour power reserve and an accuracy rating of +5 to -3 seconds per day. The Grand Seiko SBGW257 is priced at €39,000. On balance, reviewers appreciate the Grand Seiko SBGW257 for its exquisite finishing and classic proportions, embodying a quiet luxury.

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