Side by side

Marathon GPQ-D (Officer's Quartz with Date) Field WatchvsGrand Seiko SBGX359

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

GPQ-D (Officer's Quartz with Date) Field Watch
MarathonGPQ-D (Officer's Quartz with Date) Field Watch
MSRP $650
SBGX359
Grand SeikoSBGX359

At a glance

10 of 29 specs differ
Diameter
GPQ-D (Officer's Quartz with Date) Field Watch36mm
SBGX35933mm
Power Reserve
GPQ-D (Officer's Quartz with Date) Field Watch40h
SBGX35940h
Water Resistance
GPQ-D (Officer's Quartz with Date) Field Watch30m
SBGX359100m
MSRP
GPQ-D (Officer's Quartz with Date) Field Watch$650
SBGX359

Full specifications

Case

7 specs
Category
Field
Dress
Diameter
36mm
33mm
Thickness
11mm
9.1mm
Lug-to-Lug
44mm
39.7mm
Lug Width
16mm
15mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
30m
100m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

1 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
9F51

Pricing

1 specs
MSRP
$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-D (Officer's Quartz with Date) Field Watch

Marathon GPQ-D (Officer's Quartz with Date) Field Watch owners praise its tritium tubes, Mil-spec designation, and scratch-resistant case finish, with some finding the 36mm size practical for field use. However, some owners criticize its perceived overpriced nature, thick case, and squared-off lugs, while others point to the composite case material, 30m water resistance, and unbranded movement as drawbacks. On balance, owners are divided on the Marathon GPQ-D (Officer's Quartz with Date) Field Watch, with opinions split on its value and design features.

Grand Seiko SBGX359

The Grand Seiko SBGX359 is lauded for its technically advanced 9F51 quartz movement, enabling a compact 33mm x 9.1mm stainless steel case and offering ±10 seconds per year accuracy. Reviewers highlight the refined finishing of its Snowflake dial and 100 meters of water resistance. However, it comes with a US$3,200 price tag, representing a $500 increase over prior 9F models. Overall, reviewers praise the Grand Seiko SBGX359 for its compact dimensions and precise quartz movement at the specified price point.

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