Side by side

Marathon GPQ (General Purpose Quartz) Field WatchvsSeiko Diamond Collection

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
Diamond Collection
SeikoDiamond Collection
MSRP $525
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.

Seiko Diamond Collection

The Seiko Diamond Collection is widely praised by owners for its stunning beauty, featuring 14 diamonds, a mother-of-pearl dial, and a two-tone color scheme. Reviewers note its dial is difficult to capture in photos and that its fit and finish suggest excellent value, especially when purchased on sale. One owner describes the gold plating on the bracelet showing some fading from desk work, and its gold tone may not suit all tastes. Overall, owners rate the Seiko Diamond Collection highly for its striking aesthetics and perceived value.

At a glance

10 of 29 specs differ
Diameter
GPQ (General Purpose Quartz) Field Watch34mm
Diamond Collection30mm
Power Reserve
GPQ (General Purpose Quartz) Field Watch40h
Diamond Collection40h
Water Resistance
GPQ (General Purpose Quartz) Field Watch30m
Diamond Collection50m
MSRP
GPQ (General Purpose Quartz) Field Watch$420
Diamond Collection$525

Full specifications

Case

7 specs
Category
Field
Dress
Diameter
34mm
30mm
Thickness
11.5mm
6.3mm
Lug-to-Lug
41mm
36.5mm
Lug Width
16mm
5mm
Material
Fibreshell Composite
Stainless Steel
Water Resistance
30m
50m

Crystal & Dial

1 specs
Crystal
Acrylic
Sapphire

Movement

1 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
7N01

Pricing

1 specs
MSRP
$420
$525
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