Side by side
Islander Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302vsGrand Seiko STGF387
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-30240mm
STGF38726mm
Power Reserve
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302—
STGF38740h
Water Resistance
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302200m
STGF387100m
MSRP
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302$649
STGF387$4,200
Full specifications
Case
8 specsCategory
Diver
Dress
Diameter
40mm
26mm
Thickness
12.1mm
8.1mm
Lug-to-Lug
0mm
32.9mm
Lug Width
20mm
13mm
Finish
—
Brushed and polished
Water Resistance
200m
100m
Caseback
Screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
—
Flat
AR Coating
Underside
Yes
Dial Color
—
Black
Indices
—
Applied
Movement
5 specsCaliber
Miyota 9015
4J51
Type
Automatic
Quartz
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25
Pricing
1 specsMSRP
$649
$4,200
Follow this matchup
Get a note when Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302 vs Grand Seiko STGF387 gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Grand Seiko STGF387vsVaer D5 Tropic AutoHenry Archer NordsøvsGrand Seiko STGF387Grand Seiko STGF387vsVaer D5 Pacific Anacapa AutoGrand Seiko STGF387vsVaer D5 Meridian AutoIslander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302vsGrand Seiko STGF359Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302vsGrand Seiko SBGX261










