Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsMarathon GPQ (General Purpose Quartz) Field Watch

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
GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420

At a glance

11 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
GPQ (General Purpose Quartz) Field Watch34mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
GPQ (General Purpose Quartz) Field Watch40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
GPQ (General Purpose Quartz) Field Watch30m
MSRP
Flyboy Airmaster GMT Automatic$365
GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

7 specs
Category
GMT
Field
Diameter
40mm
34mm
Thickness
11.5mm
Lug-to-Lug
41mm
Lug Width
16mm
Material
316L Stainless Steel
Fibreshell Composite
Water Resistance
50m
30m

Crystal & Dial

1 specs
Crystal
Sapphire
Acrylic

Movement

2 specs
Caliber
NH34
Swiss High-Torque Quartz (3J, EOL)
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$365
$420

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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.

Marathon GPQ (General Purpose Quartz) Field Watch

Owners widely praise the Marathon GPQ (General Purpose Quartz) Field Watch for its rugged quartz movement, accuracy, and tritium lume. Reviewers and owners alike highlight its solid build, legibility, and comfortable, lightweight wear, making it particularly well-suited for smaller wrists. Some owners, however, consider the price point of $350-420 to be somewhat high. On balance, the consensus is that owners rate the Marathon GPQ (General Purpose Quartz) Field Watch highly for its dependable quartz accuracy and excellent tritium lume.

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