Side by side

Marathon GPQ (General Purpose Quartz) Field WatchvsSpinnaker Spence 300

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

GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

11 of 29 specs differ
Diameter
GPQ (General Purpose Quartz) Field Watch34mm
Spence 30040mm
Power Reserve
GPQ (General Purpose Quartz) Field Watch40h
Spence 30040h
Water Resistance
GPQ (General Purpose Quartz) Field Watch30m
Spence 300300m
MSRP
GPQ (General Purpose Quartz) Field Watch$420
Spence 300$650

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
34mm
40mm
Lug-to-Lug
41mm
48mm
Lug Width
16mm
20mm
Material
Fibreshell Composite
316L Stainless Steel
Water Resistance
30m
300m

Crystal & Dial

2 specs
Crystal
Acrylic
Sapphire
Dial Color
Black
Aquamarine

Movement

2 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
SII NH35A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$420
$650

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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.

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.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

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