Which is cheaper, the Fortis Stratoliner S-41 or the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301?

At MSRP the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 is the cheaper of the two at $399, against $5,450 for the Fortis Stratoliner S-41 — a $5,051 gap before any retailer discounting.

Which is bigger, the Fortis Stratoliner S-41 or the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301?

The Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 wears larger at 45mm versus 41mm for the Fortis Stratoliner S-41 — a 4mm difference across the dial.

What movement does the Fortis Stratoliner S-41 run compared to the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301?

Both watches run automatic movements — the Fortis Stratoliner S-41 uses the Manufacture Caliber WERK 17 and the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 uses the Seiko NH36.

Side by side

Fortis Stratoliner S-41vsIslander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301

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

Fortis Stratoliner S-41

S-41

MSRP $5,450

Islander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301

islander-automatic-turtle-dive-watch-with-blue-dial-isl-301

MSRP $399

At a glance

16 of 29 specs differ

Diameter

Stratoliner S-4141mm

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-30145mm

Power Reserve

Stratoliner S-4160h

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301—

Water Resistance

Stratoliner S-41200m

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301200m

MSRP

Stratoliner S-41$5,450

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301$399

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Double Domed

AR Coating

Inner

Underside

Dial Color

White

—

Indices

Applied

—

Movement

4 specs

Caliber

Manufacture Caliber WERK 17

Seiko NH36

Beat Rate

28,800 vph

0 vph

Power Reserve

60h

Jewels

Pricing

1 specs

MSRP

$5,450

$399

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