Side by side

Marathon GPQ (General Purpose Quartz) Field WatchvsSpinnaker Bradner GMT

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
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

12 of 29 specs differ
Diameter
GPQ (General Purpose Quartz) Field Watch34mm
Bradner GMT42mm
Power Reserve
GPQ (General Purpose Quartz) Field Watch40h
Bradner GMT40h
Water Resistance
GPQ (General Purpose Quartz) Field Watch30m
Bradner GMT180m
MSRP
GPQ (General Purpose Quartz) Field Watch$420
Bradner GMT$299

Full specifications

Case

7 specs
Category
Field
GMT
Diameter
34mm
42mm
Thickness
11.5mm
15mm
Lug-to-Lug
41mm
50mm
Lug Width
16mm
22mm
Material
Fibreshell Composite
316L Stainless Steel
Water Resistance
30m
180m

Crystal & Dial

2 specs
Crystal
Acrylic
Sapphire
Dial Color
Black
Brown

Movement

2 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
Seiko NH34A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$420
$299

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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 Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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