Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsIslander Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322

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

Flyboy Airmaster GMT Automatic
AVI-8Flyboy Airmaster GMT Automatic
MSRP $365
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

At a glance

16 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-32240mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
Water Resistance
Flyboy Airmaster GMT Automatic50m
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322100m
MSRP
Flyboy Airmaster GMT Automatic$365
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322$429

Full specifications

Case

8 specs
Category
GMT
Pilot
Thickness
12.5mm
Lug-to-Lug
0mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
50m
100m
Caseback
Solid
Screw-down

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Black
Indices
Applied

Movement

4 specs
Caliber
NH34
Seiko NH38
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$365
$429

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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.

AVI-8 Flyboy Airmaster GMT Automatic

Owners widely praise the AVI-8 Flyboy Airmaster GMT Automatic for its robust build quality, intricate three-timezone function, and crisp dial texture. The watch is noted for its wearable 41mm case size and 48.5mm lug-to-lug, with an internally positioned GMT complication that maintains a clean dial appearance. Some owners report the stock leather strap feels cheap and limits strap changing options. On balance, owners rate the AVI-8 Flyboy Airmaster GMT Automatic highly for its solid finishing and value, particularly highlighting the dial's depth and texture.

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.

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