Side by side

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

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
Prospex Sea
SeikoProspex Sea
MSRP $595
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 Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

At a glance

17 of 29 specs differ
Diameter
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-32342mm
Prospex Sea41.7mm
Power Reserve
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323
Prospex Sea41h
Water Resistance
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323200m
Prospex Sea200m
MSRP
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323$449
Prospex Sea$595

Full specifications

Case

6 specs
Diameter
42mm
41.7mm
Thickness
14mm
12.3mm
Lug-to-Lug
0mm
49.5mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Caseback
Screw-down
Solid

Crystal & Dial

6 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Indices
Applied
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Seiko NH38
4R35
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$449
$595

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