Which is cheaper, the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 or the Spinnaker Cahill Automatic?

At MSRP the Spinnaker Cahill Automatic is the cheaper of the two at $350, against $399 for the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 — a $49 gap before any retailer discounting.

Which is bigger, the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 or the Spinnaker Cahill Automatic?

The Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 wears larger at 45mm versus 42mm for the Spinnaker Cahill Automatic — a 3mm difference across the dial.

What movement does the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 run compared to the Spinnaker Cahill Automatic?

Both watches run automatic movements — the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 uses the Seiko NH36 and the Spinnaker Cahill Automatic uses the SII NH35A.

Side by side

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

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

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

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

MSRP $399

Spinnaker Cahill Automatic

cahill-automatic-moss-green-sp-5064-02

MSRP $350

At a glance

15 of 29 specs differ

Diameter

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

Cahill Automatic42mm

Power Reserve

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

Cahill Automatic40h

Water Resistance

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

Cahill Automatic200m

MSRP

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

Cahill Automatic$350

Full specifications

Case

6 specs

Diameter

45mm

42mm

Thickness

15mm

13.7mm

Lug-to-Lug

47mm

51mm

Material

Stainless Steel

316L Stainless Steel

Finish

—

Brushed and polished

Caseback

Embossed screw-in caseback

Solid

Crystal & Dial

4 specs

Crystal Shape

Double Domed

Flat

AR Coating

Underside

Inner

Dial Color

—

Green

Indices

—

Applied

Movement

4 specs

Caliber

Seiko NH36

SII NH35A

Beat Rate

0 vph

28,800 vph

Power Reserve

40h

Jewels

Pricing

1 specs

MSRP

$399

$350

Follow this matchup

Get a note when Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 vs Spinnaker Cahill Automatic gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring