Side by side

Islander Islander JFK Automatic GMT Watch with Batman Dial #ISL-338vsHelgray Poseidon Diver (Automatic)

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

Islander JFK Automatic GMT Watch with Batman Dial #ISL-338
IslanderIslander JFK Automatic GMT Watch with Batman Dial #ISL-338
MSRP $429
Poseidon Diver (Automatic)
HelgrayPoseidon Diver (Automatic)
MSRP $249

At a glance

16 of 29 specs differ
Diameter
Islander JFK Automatic GMT Watch with Batman Dial #ISL-33842mm
Poseidon Diver (Automatic)40mm
Power Reserve
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338—
Poseidon Diver (Automatic)40h
Water Resistance
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338200m
Poseidon Diver (Automatic)300m
MSRP
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338$429
Poseidon Diver (Automatic)$249

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
42mm
40mm
Thickness
14.5mm
12mm
Lug-to-Lug
47.8mm
46mm
Finish
—
Brushed and polished
Water Resistance
200m
300m
Caseback
Screw-down
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
Seiko NH34
NH35 Warranty
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$429
$249

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