Side by side

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

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
Alpinist
SeikoAlpinist
MSRP $750

At a glance

16 of 29 specs differ
Diameter
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-32240mm
Alpinist39.5mm
Power Reserve
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
Alpinist70h
Water Resistance
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322100m
Alpinist200m
MSRP
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322$429
Alpinist$750

Full specifications

Case

7 specs
Category
Pilot
Field
Diameter
40mm
39.5mm
Thickness
12.5mm
13.2mm
Lug-to-Lug
0mm
46.4mm
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Screw-down
Solid

Crystal & Dial

4 specs
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Applied
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Seiko NH38
6R35
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
70h
Jewels
0
24

Pricing

1 specs
MSRP
$429
$750

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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.

Seiko Alpinist

Owners widely praise the Seiko Prospex Land Mechanical for its durability, accuracy, and value, with many appreciating its versatile style and useful day-date complication. Some owners highlight the 70-hour power reserve and 20 bar water resistance as significant benefits. However, opinions are divided on its size and thickness, with some finding it too large and heavy for a field watch, while others consider it a perfect or comfortable fit, especially at 38mm. There is also disagreement regarding the crystal type, with some criticizing the Hardlex while others appreciate the sapphire. Overall, owners rate the Seiko Prospex Land Mechanical highly for its robust performance and good value, despite differing views on its dimensions.

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