Side by side

Islander Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323vsMarathon GPQ (General Purpose Quartz) Field 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
GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420

At a glance

20 of 29 specs differ
Diameter
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-32342mm
GPQ (General Purpose Quartz) Field Watch34mm
Power Reserve
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323
GPQ (General Purpose Quartz) Field Watch40h
Water Resistance
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323200m
GPQ (General Purpose Quartz) Field Watch30m
MSRP
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323$449
GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

9 specs
Category
Diver
Field
Diameter
42mm
34mm
Thickness
14mm
11.5mm
Lug-to-Lug
0mm
41mm
Lug Width
22mm
16mm
Material
Stainless Steel
Fibreshell Composite
Finish
Brushed and polished
Water Resistance
200m
30m
Caseback
Screw-down
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Acrylic
Crystal Shape
Domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Indices
Applied

Movement

5 specs
Caliber
Seiko NH38
Swiss High-Torque Quartz (3J, EOL)
Type
Automatic
Quartz
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$449
$420

Follow this matchup

Get a note when Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 vs Marathon GPQ (General Purpose Quartz) Field Watch gets more votes, a community discussion, or a price drop. No account needed.

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.

Marathon GPQ (General Purpose Quartz) Field Watch

Owners widely praise the Marathon GPQ (General Purpose Quartz) Field Watch for its rugged quartz movement, accuracy, and tritium lume. Reviewers and owners alike highlight its solid build, legibility, and comfortable, lightweight wear, making it particularly well-suited for smaller wrists. Some owners, however, consider the price point of $350-420 to be somewhat high. On balance, the consensus is that owners rate the Marathon GPQ (General Purpose Quartz) Field Watch highly for its dependable quartz accuracy and excellent tritium lume.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.