Side by side
Islander Islander JFK Automatic GMT Watch with Batman Dial #ISL-338vsSerket Watch Co Reef Mariana
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
Reef Mariana40mm
Power Reserve
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338—
Reef Mariana—
Water Resistance
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338200m
Reef Mariana200m
MSRP
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338$429
Reef Mariana$449
Full specifications
Case
6 specsCategory
GMT
—
Diameter
42mm
40mm
Thickness
14.5mm
13.2mm
Lug-to-Lug
47.8mm
47.5mm
Finish
—
Brushed and polished
Caseback
Screw-down
Solid
Crystal & Dial
5 specsCrystal Shape
Domed
Flat
AR Coating
Underside
Inner
Dial Color
—
Orange
Indices
—
Applied
Lume
None
BGW9
Movement
4 specsCaliber
Seiko NH34
Seiko NH35
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
—
Jewels
0
25
Pricing
1 specsMSRP
$429
$449
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