Side by side

Islander Islander JFK Automatic GMT Watch with Batman Dial #ISL-338vsYema Navygraf CMM.10

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
Navygraf CMM.10
YemaNavygraf CMM.10
MSRP $1,899

At a glance

19 of 29 specs differ
Diameter
Islander JFK Automatic GMT Watch with Batman Dial #ISL-33842mm
Navygraf CMM.1039mm
Power Reserve
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338
Navygraf CMM.1040h
Water Resistance
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338200m
Navygraf CMM.10100m
MSRP
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338$429
Navygraf CMM.10$1,899

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
42mm
39mm
Thickness
14.5mm
11mm
Lug-to-Lug
47.8mm
46mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
100m
Caseback
Screw-down
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
Seiko NH34
Yema CMM.10
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$429
$1,899

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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 Navygraf CMM.10

Owners widely report quality control concerns and suspect craftsmanship with the Yema Navygraf, with one user noting crooked text. A reviewer praised the Slim CMM.20 Limited Edition for its stylish, slim profile and classy finishing on a black lacquered enamel dial, though the audible micro-rotor spinning at its price point was a surprise. On balance, the consensus is that while the Yema Navygraf offers a stylish design, potential buyers should be aware of reported quality control issues.

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