Side by side

Marathon GPQ-D (Officer's Quartz with Date) Field WatchvsGrand Seiko SBGM221

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
SBGM221
Grand SeikoSBGM221
MSRP $5,400

At a glance

11 of 29 specs differ
Diameter
GPQ-D (Officer's Quartz with Date) Field Watch36mm
SBGM22139.5mm
Power Reserve
GPQ-D (Officer's Quartz with Date) Field Watch40h
SBGM22172h
Water Resistance
GPQ-D (Officer's Quartz with Date) Field Watch30m
SBGM22130m
MSRP
GPQ-D (Officer's Quartz with Date) Field Watch$650
SBGM221$5,400

Full specifications

Case

6 specs
Category
Field
GMT
Diameter
36mm
39.5mm
Thickness
11mm
13.7mm
Lug-to-Lug
44mm
46.9mm
Lug Width
16mm
19mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
9S66
Type
Quartz
Automatic
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$650
$5,400

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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 SBGM221

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

From video reviewers

The SBGM221 is praised for its value within the Grand Seiko lineup. The lug width is cited as a weakness.

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