Side by side

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

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
Reef GMT
FormexReef GMT
MSRP $2,235

At a glance

16 of 29 specs differ
Diameter
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-32342mm
Reef GMT42mm
Power Reserve
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323
Reef GMT56h
Water Resistance
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323200m
Reef GMT300m
MSRP
Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323$449
Reef GMT$2,235

Full specifications

Case

6 specs
Category
Diver
GMT
Thickness
14mm
11.4mm
Lug-to-Lug
0mm
47mm
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Screw-down
Solid

Crystal & Dial

5 specs
Crystal Shape
Domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Indices
Applied
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
Seiko NH38
Sellita SW330-2
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
56h
Jewels
0
25

Pricing

1 specs
MSRP
$449
$2,235

Follow this matchup

Get a note when Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 vs Formex Reef GMT 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.

Formex Reef GMT

The Formex Reef GMT is widely praised for its unique porthole case shape, COSC-certified Sellita SW330-2 movement with good finishing, and comfortable quick-release bracelet with on-the-fly micro-adjustment. Reviewers note its robust construction, impressive specifications, and strong value proposition, with a slim 11.4mm profile accommodating 300m water resistance and an exhibition caseback. However, owners widely report the 53mm lug-to-lug span with male endlinks makes it too large for smaller wrists. Some find the bezel action stiff and potentially slippery, and a reviewer desired sharper finishing and edges, deeming the aesthetic too modernist. The GMT variant sacrifices a timing bezel unless swapped, and one owner notes sharp edges on the crown and crown guard. Overall, owners and reviewers highly rate the Formex Reef GMT for its exceptional value and well-executed features, particularly its bracelet system and COSC-certified movement.

From video reviewers

The watch features a COSC-certified SW330-2 GMT movement, which is visible through a sapphire crystal display case back and beautifully decorated. The watch's water-resistance of up to 300m/1000ft is a notable feature. The 42mm diameter may be too large for smaller wrists.

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.