Side by side

Marathon GPQ (General Purpose Quartz) Field WatchvsGrand Seiko SBGY011

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
SBGY011
Grand SeikoSBGY011
MSRP $8,800

At a glance

13 of 29 specs differ
Diameter
GPQ (General Purpose Quartz) Field Watch34mm
SBGY01140mm
Power Reserve
GPQ (General Purpose Quartz) Field Watch40h
SBGY01172h
Water Resistance
GPQ (General Purpose Quartz) Field Watch30m
SBGY011100m
MSRP
GPQ (General Purpose Quartz) Field Watch$420
SBGY011$8,800

Full specifications

Case

7 specs
Category
Field
Dress
Diameter
34mm
40mm
Thickness
11.5mm
10.5mm
Lug-to-Lug
41mm
46.2mm
Lug Width
16mm
19mm
Material
Fibreshell Composite
Stainless Steel
Water Resistance
30m
100m

Crystal & Dial

2 specs
Crystal
Acrylic
Sapphire
AR Coating
Inner
Yes

Movement

3 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
9R31
Type
Quartz
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$420
$8,800

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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 SBGY011

Grand Seiko SBGY011 owners praise its stunning, subtly textured white dial, with one owner describing its glide as very smooth and the dial itself as stunning in person. The Spring Drive movement is a key appeal, noted for its accuracy of +/- 1 second per day and a 72-hour power reserve. The 40mm stainless steel 44GS case is also a feature. One reviewer expressed a preference for a bracelet over the included crocodile strap. Overall, owners and reviewers highlight the Grand Seiko SBGY011's exceptional dial aesthetics and Spring Drive accuracy as its primary strengths.

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