Side by side

Islander Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302vsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

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

16 of 29 specs differ
Diameter
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-30240mm
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Power Reserve
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h
Water Resistance
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302200m
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
MSRP
Islander Hudson "Harpoon Diver" 40mm Watch with Degrading Black Dial #ISL-302$649
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900

Full specifications

Case

6 specs
Diameter
40mm
42.6mm
Thickness
12.1mm
13.4mm
Lug-to-Lug
0mm
49.3mm
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Screw-down
Solid

Crystal & Dial

5 specs
Crystal Shape
Curved
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Applied
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Miyota 9015
8L35
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
50h
Jewels
0
26

Pricing

1 specs
MSRP
$649
$2,900

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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.

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch is praised for its premium finishing, often described as Zaratsu-like, and robust build quality, with owners finding its 42mm case and 4 o'clock crown appealing for wearability. Some reviewers note its secondary GMT function and quieter bezel clicks may not suit all preferences, while one owner reported bezel misalignment issues. The watch is powered by the Caliber 8L45 automatic movement, offering a 72-hour power reserve and an accuracy rating of -5/+10 seconds per day, though some owners question its value proposition at its price point. On balance, owners and reviewers rate the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch highly for its exceptional finishing and refined tool-like aesthetic.

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