Marathon GPQ-D (Officer's Quartz with Date) FieldvsSlow Watches Jo series
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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

Jo series
Diameter
36mm
38mm
Lug-to-Lug
44mm
n/a
Thickness
11mm
8.2mm
lowest
Water Resistance
30m
100m
highest
MSRP
$650
$235
lowest
Movement
Swiss High-Torque Quartz (3J, EOL)
Ronda 505.24
Case
7 specsCrystal & Dial
2 specsMovement
1 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 widely praise the Slow Watches Jo series for its unique, elegant design and conversation-starting appeal, frequently highlighting the simple and organizing 24-hour dial and single hand. Many appreciate its vintage feel and the compliments it garners. Some owners find the small indices and digits require reading glasses, and precise time-telling can be challenging, offering only approximate time to the nearest 10 minutes without looking directly at the dial. The provided leather strap is described as sticky and stretchy by one owner, who prefers an alternative bracelet. One owner notes significant scratches and pits in the glass. On balance, owners rate the Slow Watches Jo series highly for its unique concept and design that encourages a slower pace of life.
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