Side by side

Marathon GPQ (General Purpose Quartz) Field WatchvsGrand Seiko SBGK007

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
SBGK007
Grand SeikoSBGK007
MSRP $7,300

At a glance

12 of 29 specs differ
Diameter
GPQ (General Purpose Quartz) Field Watch34mm
SBGK00739mm
Power Reserve
GPQ (General Purpose Quartz) Field Watch40h
SBGK00772h
Water Resistance
GPQ (General Purpose Quartz) Field Watch30m
SBGK00730m
MSRP
GPQ (General Purpose Quartz) Field Watch$420
SBGK007$7,300

Full specifications

Case

6 specs
Category
Field
Dress
Diameter
34mm
39mm
Thickness
11.5mm
11.6mm
Lug-to-Lug
41mm
44mm
Lug Width
16mm
19mm
Material
Fibreshell Composite
Stainless Steel

Crystal & Dial

2 specs
Crystal
Acrylic
Sapphire
AR Coating
Inner
Yes

Movement

3 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
9S63
Type
Quartz
Manual
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$420
$7,300

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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.

Grand Seiko SBGK007

The Grand Seiko SBGK007 is praised for its glorious champagne-to-silver-white sunburst dial and domed sapphire crystal. Owners and reviewers highlight its wonderfully slim profile, attributed to the manual-wind movement, contributing to excellent wearability and a design that subtly evokes vintage pieces. The movement is described as attractive yet workmanlike, with accuracy rated between +5 to -3 seconds per day and a 72-hour power reserve. The watch measures 39mm and 11.6mm thick, and is offered on a high-quality leather strap. On balance, owners and reviewers highly regard the Grand Seiko SBGK007 for its elegant slim case and beautifully textured dial.

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