Side by side

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

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 Marine Nationale Quartz
YemaNavygraf Marine Nationale Quartz
MSRP $499

At a glance

17 of 29 specs differ
Diameter
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-32240mm
Navygraf Marine Nationale Quartz39mm
Power Reserve
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
Navygraf Marine Nationale Quartz40h
Water Resistance
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322100m
Navygraf Marine Nationale Quartz100m
MSRP
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322$429
Navygraf Marine Nationale Quartz$499

Full specifications

Case

8 specs
Category
Pilot
Diver
Diameter
40mm
39mm
Thickness
12.5mm
11mm
Lug-to-Lug
0mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Caseback
Screw-down
Solid

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Standard
Indices
Applied

Movement

5 specs
Caliber
Seiko NH38
Type
Automatic
Quartz
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$429
$499

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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 Marine Nationale Quartz

Owners praise the Yema Navygraf Marine Nationale Quartz for its well-made case, clean legible dial, and comfortable 39mm size, with one noting its thin profile for 300m water resistance. Accuracy figures vary, with one owner reporting +6 seconds per day and another seeing it keep within COSC time. Minor criticisms include a steel bracelet with a slight rattle and sharp edges, bent bracelet pins, and in one instance, crooked dial printing. On balance, owners find the Yema Navygraf Marine Nationale Quartz offers good value and wearability, with its French design and thinner case being key highlights.

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