Side by side

AVI-8 Spitfire Lock ChronographvsMarathon GPQ (General Purpose Quartz) Field Watch

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

Spitfire Lock Chronograph
AVI-8Spitfire Lock Chronograph
MSRP $260
GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420

At a glance

11 of 29 specs differ
Diameter
Spitfire Lock Chronograph42mm
GPQ (General Purpose Quartz) Field Watch34mm
Power Reserve
Spitfire Lock Chronograph40h
GPQ (General Purpose Quartz) Field Watch40h
Water Resistance
Spitfire Lock Chronograph50m
GPQ (General Purpose Quartz) Field Watch30m
MSRP
Spitfire Lock Chronograph$260
GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

7 specs
Category
Chronograph
Field
Diameter
42mm
34mm
Thickness
12mm
11.5mm
Lug-to-Lug
50mm
41mm
Lug Width
22mm
16mm
Material
316L Stainless Steel
Fibreshell Composite
Water Resistance
50m
30m

Crystal & Dial

2 specs
Crystal
Mineral
Acrylic
Dial Color
MIDNIGHT OAK
Black

Movement

1 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)

Pricing

1 specs
MSRP
$260
$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 Spitfire Lock Chronograph

Owners widely report AVI-8 watches offer a compelling design and are decently well made for the price. The AVI-8 Spitfire Lock Chronograph features a 42mm stainless steel case with curved lugs, a bi-compax meca-quartz movement, and a mineral crystal, with design elements inspired by Supermarine Spitfires. One owner notes that AVI-8 watches are "something different" and "decently well made," though not of "insane quality." On balance, owners and reviewers appreciate the AVI-8 Spitfire Lock Chronograph for its unique design and value proposition.

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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