Side by side

Islander Islander JFK Automatic GMT Watch with Batman Dial #ISL-338vsYema Superman Tourbillon CMM.31 Limited Edition

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
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

18 of 29 specs differ
Diameter
Islander JFK Automatic GMT Watch with Batman Dial #ISL-33842mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338200m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338$429
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
42mm
43mm
Thickness
14.5mm
11.7mm
Lug-to-Lug
47.8mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Screw-down
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Domed
Flat
AR Coating
Underside
Inner
Dial Color
Steel
Indices
Applied

Movement

4 specs
Caliber
Seiko NH34
Yema CMM.31 Tourbillon
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$429
$13,000

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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.

Yema Superman Tourbillon CMM.31 Limited Edition

Owners praise the Yema Superman Tourbillon CMM.31 Limited Edition as an incredible and crazy watch, appreciating its unnecessary tourbillon complication and impressive specifications at a remarkable price point. The titanium construction contributes to comfort despite the 43mm case size. One reviewer notes the bracelet clasp's extension system is somewhat crude. On balance, owners and reviewers rate the Yema Superman Tourbillon CMM.31 Limited Edition highly for its compelling tourbillon feature at an accessible price.

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