Side by side
Islander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301vsTornek-Rayville TR-660 Sapphire Non-date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
The bottom line
The 40mm TR-660 Sapphire Non-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.
Check prices & track
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301
MSRP $399
Tornek-Rayville TR-660 Sapphire Non-date
At a glance
16 of 29 specs differDiameter
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-30145mm
TR-660 Sapphire Non-date40mm
Power Reserve
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301—
TR-660 Sapphire Non-date50h
Water Resistance
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301200m
TR-660 Sapphire Non-date200m
MSRP
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301$399
TR-660 Sapphire Non-date—
Full specifications
Case
6 specsDiameter
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 specsCrystal Shape
Double Domed
Flat
AR Coating
Underside
Yes
Dial Color
—
Black
Indices
—
Applied
Lume
None
Superluminova
Movement
4 specsCaliber
Seiko NH36
TMI NH38
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
50h
Jewels
0
25
Pricing
1 specsMSRP
$399
—
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