Which is bigger, the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 or the Tornek-Rayville TR-660 Aluminum Date?

The Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 wears larger at 45mm versus 40mm for the Tornek-Rayville TR-660 Aluminum Date — a 5mm difference across the dial.

What movement does the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 run compared to the Tornek-Rayville TR-660 Aluminum Date?

Both watches run automatic movements — the Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 uses the Seiko NH36 and the Tornek-Rayville TR-660 Aluminum Date uses the TMI NH38.

Side by side

Islander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301vsTornek-Rayville TR-660 Aluminum Date

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

The bottom line

The 40mm TR-660 Aluminum Date wears 5mm narrower than the 45mm Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301 — that's a meaningful jump on most wrists.

Where to get them

Check prices & track

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

MSRP $399

Visit Islander Check price on eBayaffiliate

Tornek-Rayville TR-660 Aluminum Date

Visit Tornek-Rayville Check price on eBayaffiliate

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

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

MSRP $399

Tornek-Rayville TR-660 Aluminum Date

tr660-1002_al-date_pr_v_ate_78946315

At a glance

16 of 29 specs differ

Diameter

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

TR-660 Aluminum Date40mm

Power Reserve

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

TR-660 Aluminum Date50h

Water Resistance

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

TR-660 Aluminum Date200m

MSRP

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

TR-660 Aluminum Date—

Full specifications

Case

6 specs

Diameter

45mm

40mm

Thickness

15mm

14.7mm

Lug-to-Lug

47mm

48.5mm

Lug Width

22mm

20mm

Finish

—

Brushed and polished

Caseback

Embossed screw-in caseback

Solid

Crystal & Dial

5 specs

Crystal Shape

Double Domed

Flat

AR Coating

Underside

Yes

Dial Color

—

Black

Indices

—

Applied

Lume

None

Superluminova

Movement

4 specs

Caliber

Seiko NH36

TMI NH38

Beat Rate

0 vph

28,800 vph

Power Reserve

50h

Jewels

Pricing

1 specs

MSRP

$399

—

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