Side by side

Islander Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323vsSeiko 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 Red October V2 Dive Watch with Radiant Blue Dial #ISL-323
IslanderIslander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323
MSRP $449
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323

Owners widely praise the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 for its stunning radiant blue dial and red seconds hand, with some noting its resemblance to a luxury model. The watch is frequently cited as offering excellent value for its price. Some owners express a dislike for the circle/triangle logo, while others appreciate the availability of both 38mm and 43mm size options. Overall, owners rate the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 highly for its aesthetic appeal and value proposition.

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.

At a glance

17 of 29 specs differ
Diameter
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-32342mm
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Power Reserve
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h
Water Resistance
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323200m
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
MSRP
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323$449
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900

Full specifications

Case

7 specs
Diameter
42mm
42.6mm
Thickness
14mm
13.4mm
Lug-to-Lug
0mm
49.3mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Screw-down
Solid

Crystal & Dial

5 specs
Crystal Shape
Domed
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
Seiko NH38
8L35
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
50h
Jewels
0
26

Pricing

1 specs
MSRP
$449
$2,900
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