Which is cheaper, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323?

At MSRP the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 is the cheaper of the two at $449, against $1,800 for the Marathon OSAR-D (Original SAR with Date) Automatic 41mm — a $1,351 gap before any retailer discounting.

Which is bigger, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323?

The Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 wears larger at 42mm versus 41mm for the Marathon OSAR-D (Original SAR with Date) Automatic 41mm — a 1mm difference across the dial.

Which has better water resistance, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323?

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is rated to 300m versus 200m for the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323.

What movement does the Marathon OSAR-D (Original SAR with Date) Automatic 41mm run compared to the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323?

Both watches run automatic movements — the Marathon OSAR-D (Original SAR with Date) Automatic 41mm uses the Sellita SW220-1 and the Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323 uses the Seiko NH38.

Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsIslander Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Marathon OSAR-D (Original SAR with Date) Automatic 41mm

41mm-original-sar-w-date-osar-d

MSRP $1,800

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

islander-red-october-v2-dive-watch-with-radiant-blue-dial-isl-323

MSRP $449

At a glance

17 of 29 specs differ

Diameter

OSAR-D (Original SAR with Date) Automatic 41mm41mm

Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-32342mm

Power Reserve

OSAR-D (Original SAR with Date) Automatic 41mm40h

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

Water Resistance

OSAR-D (Original SAR with Date) Automatic 41mm300m

Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323200m

MSRP

OSAR-D (Original SAR with Date) Automatic 41mm$1,800

Islander Red October V2 Dive Watch with Radiant Blue Dial #ISL-323$449

Full specifications

Case

8 specs

Diameter

41mm

42mm

Thickness

13mm

14mm

Lug-to-Lug

43.5mm

0mm

Lug Width

18mm

22mm

Material

316L Stainless Steel

Stainless Steel

Finish

Brushed and polished

—

Water Resistance

300m

200m

Caseback

Solid

Screw-down

Crystal & Dial

4 specs

Crystal Shape

Flat

Domed

AR Coating

Inner

Underside

Dial Color

Black

—

Indices

Applied

—

Movement

4 specs

Caliber

Sellita SW220-1

Seiko NH38

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$1,800

$449

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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.

Marathon OSAR-D (Original SAR with Date) Automatic 41mm

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its highly legible white dial with applied hour markers and a functional date magnifier, emphasizing its tool-watch purpose. Its Swiss-made Sellita SW200-1 movement is considered reliable and serviceable. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 41mm for its excellent legibility and robust movement.

Fratello

A Blog to Watch

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.

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