Side by side

Islander Islander JFK Automatic GMT Watch with Batman Dial #ISL-338vsSinn U18

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
U18
SinnU18
MSRP $3,488
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Islander JFK Automatic GMT Watch with Batman Dial #ISL-338

Owners widely praise the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 for its attractive dial texture and Pepsi bezel, with some finding the gold-tone accents and overall aesthetic to be a standout feature. The watch is also noted for its comfortable wearability and a useful GMT function, making it a popular choice for daily wear and vacations, further supported by its 200m water resistance. On balance, owners rate the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 highly for its visually appealing design and practical features at its price point.

Sinn U18

The Sinn U18 is praised for its unique deep blue/green dial with three-dimensional oxygen bubbles that change with light, and its comfortable, easily adjustable bracelet. Owners find the watch stunning and a piece of history, appreciating the refined hands. The Sinn U18 features a 44mm, 15.5mm thick case made from German submarine steel, offering a 2000-meter dive specification and Sinn's Ar-Dehumidifying technology, powered by a Sellita SW300-1 movement. The case thickness is apparent, and the watch comes as a complete set with box and papers for $3,000-$3,680. On balance, owners and reviewers rate the Sinn U18 highly for its striking dial and robust build.

At a glance

18 of 29 specs differ
Diameter
Islander JFK Automatic GMT Watch with Batman Dial #ISL-33842mm
U1844mm
Power Reserve
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338
U1842h
Water Resistance
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338200m
U182,000m
MSRP
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338$429
U18$3,488

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
42mm
44mm
Thickness
14.5mm
15.5mm
Lug-to-Lug
47.8mm
Lug Width
20mm
22mm
Material
Stainless Steel
high-strength
Finish
Water Resistance
200m
2000m
Caseback
Screw-down

Crystal & Dial

4 specs
Crystal Shape
Domed
AR Coating
Underside
Dial Color
Black
Indices

Movement

4 specs
Caliber
Seiko NH34
SW300-1
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
42h
Jewels
0
25

Pricing

1 specs
MSRP
$429
$3,488
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