Marathon GPQ-D (Officer's Quartz with Date) FieldvsTimefactors PRS-10
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

GPQ-D (Officer's Quartz with Date) Field

PRS-10
Diameter
36mm
39.1mm
Lug-to-Lug
44mm
42mm
lowest
Thickness
11mm
lowest
11.2mm
Water Resistance
30m
100m
highest
MSRP
$650
$302
lowest
Movement
Swiss High-Torque Quartz (3J, EOL)
Ronda 715Li
Case
6 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Marathon GPQ-D (Officer's Quartz with Date) Field Watch for its tritium tubes, Mil-spec designation, and scratch-resistant case finish, with some feeling it is overlooked in field watch discussions. However, some owners criticize its perceived overpriced nature, thick case, and squared-off lugs that do not hug the wrist well, while others note its composite case material and 30m water resistance as practical for field use. On balance, owners rate the Marathon GPQ-D (Officer's Quartz with Date) Field Watch highly for its practical field-oriented features and durable construction, despite some concerns about its value proposition and case design.
Owners praise the Timefactors PRS-10 as a robust, affordable military field watch, valuing its 39.1mm bead-blasted stainless steel case and 100m water resistance for daily wear and demanding tasks. Some owners appreciate its slightly larger size compared to smaller field watches, finding it a sturdier option, while others consider its 38mm diameter perfect on various straps. One user notes a dislike for the large dial numbers, but the acrylic crystal is favored for its ease of polishing. Overall, owners rate the Timefactors PRS-10 highly for its rugged build and value.
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