Side by side

Islander Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301vsGrand Seiko SBGJ237

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

Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301
IslanderIslander Automatic Turtle Dive Watch with Blue Dial #ISL-301
MSRP $399
SBGJ237
Grand SeikoSBGJ237
MSRP $7,600

At a glance

16 of 29 specs differ
Diameter
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-30145mm
SBGJ23744.2mm
Power Reserve
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301—
SBGJ23755h
Water Resistance
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301200m
SBGJ237200m
MSRP
Islander Automatic Turtle Dive Watch with Blue Dial #ISL-301$399
SBGJ237$7,600

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
45mm
44.2mm
Thickness
15mm
14.4mm
Lug-to-Lug
47mm
50.6mm
Lug Width
22mm
21mm
Finish
—
Brushed and polished
Caseback
Embossed screw-in caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Double Domed
Flat
AR Coating
Underside
Yes
Dial Color
—
Black
Indices
—
Applied

Movement

4 specs
Caliber
Seiko NH36
9S86
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
55h
Jewels
0
25

Pricing

1 specs
MSRP
$399
$7,600

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