Side by side
Islander Islander JFK Automatic GMT Watch with Batman Dial #ISL-338vsPOLPORA POLPORA Emalie Ametyst
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Islander JFK Automatic GMT Watch with Batman Dial #ISL-33842mm
POLPORA Emalie Ametyst40mm
Power Reserve
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338—
POLPORA Emalie Ametyst56h
Water Resistance
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338200m
POLPORA Emalie Ametyst50m
MSRP
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338$429
POLPORA Emalie Ametyst$4,790
Full specifications
Case
7 specsCategory
GMT
—
Diameter
42mm
40mm
Thickness
14.5mm
8.7mm
Lug-to-Lug
47.8mm
46.6mm
Finish
—
Brushed and polished
Water Resistance
200m
50m
Caseback
Screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Domed
Flat
AR Coating
Underside
Inner
Dial Color
—
Black
Indices
—
Applied
Movement
4 specsCaliber
Seiko NH34
Sellita SW300-1
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
56h
Jewels
0
25
Pricing
1 specsMSRP
$429
$4,790
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