Side by side
Alexander James Watches A4 Prelude 37 GMT Light BluevsIslander Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
A4 Prelude 37 GMT Light Blue37.4mm
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-30039mm
Power Reserve
A4 Prelude 37 GMT Light Blue40h
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300—
Water Resistance
A4 Prelude 37 GMT Light Blue200m
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300200m
MSRP
A4 Prelude 37 GMT Light Blue$325
Islander Greenport 39mm Dive Watch with Black and White Dial #ISL-300$399
Full specifications
Case
6 specsCategory
—
Diver
Diameter
37.4mm
39mm
Thickness
12.1mm
13mm
Lug-to-Lug
46mm
0mm
Finish
Brushed and polished
—
Caseback
Solid
Screw-down
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
Underside
Dial Color
—
—
Indices
Applied
—
Movement
4 specsCaliber
Seiko NH34
Miyota 8205
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Pricing
1 specsMSRP
$325
$399
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