Side by side

Marathon GPQ-D (Officer's Quartz with Date) Field WatchvsZelos Spearfish GMT

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
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

10 of 29 specs differ
Diameter
GPQ-D (Officer's Quartz with Date) Field Watch36mm
Spearfish GMT40mm
Power Reserve
GPQ-D (Officer's Quartz with Date) Field Watch40h
Spearfish GMT40h
Water Resistance
GPQ-D (Officer's Quartz with Date) Field Watch30m
Spearfish GMT200m
MSRP
GPQ-D (Officer's Quartz with Date) Field Watch$650
Spearfish GMT$999

Full specifications

Case

6 specs
Category
Field
GMT
Diameter
36mm
40mm
Thickness
11mm
13mm
Lug-to-Lug
44mm
40mm
Lug Width
16mm
20mm
Water Resistance
30m
200m

Crystal & Dial

1 specs
Dial Color
Black
Frost

Movement

2 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)
Sellita SW330-2
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$650
$999

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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.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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