Side by side

Islander Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322vsYema Navygraf Chrono

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

Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
IslanderIslander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
MSRP $429
Navygraf Chrono
YemaNavygraf Chrono
MSRP $1,999

At a glance

15 of 29 specs differ
Diameter
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-32240mm
Navygraf Chrono40mm
Power Reserve
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
Navygraf Chrono40h
Water Resistance
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322100m
Navygraf Chrono100m
MSRP
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322$429
Navygraf Chrono$1,999

Full specifications

Case

6 specs
Category
Pilot
Chronograph
Thickness
12.5mm
13.9mm
Lug-to-Lug
0mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Caseback
Screw-down
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner
Dial Color
Navy
Indices
Applied

Movement

4 specs
Caliber
Seiko NH38
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$429
$1,999

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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 Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322

Owners widely praise the Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322 for its gorgeous, color-popping black mother-of-pearl dial and good case finishing, with some appreciating its distinct bead-blasted case and H-link bracelet. The $375 price is noted as a strong value for a true mother-of-pearl watch. However, opinions are divided on the dial text font and the Islander logo, with some finding them unattractive and others seeing them as minor issues on an otherwise appealing tool watch. On balance, owners rate the Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322 highly for its striking mother-of-pearl dial and value proposition.

Yema Navygraf Chrono

Owners praise the Yema Navygraf Chrono for its handsome, versatile design and the value offered by its Valjoux 7750 movement. A reviewer notes the 40mm case's fully polished finish, which some feel clashes with its sporty aesthetic, and mentions its 13.9mm thickness is noticeable. One owner reported wearing the Yema Navygraf Chrono for two months without issues, receiving compliments. On balance, owners and reviewers find the Yema Navygraf Chrono to be a good-looking and well-specced watch for its price.

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