Marathon MSAR (Medium Search & Rescue) Diver's QuartzvsUnimatic Modello Quattro UT4-TW Collab Time Only
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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.

MSAR (Medium Search & Rescue) Diver's Quartz

Modello Quattro UT4-TW Collab Time Only
Diameter
36mm
40mm
Thickness
18mm
n/a
Water Resistance
300m
300m
MSRP
$1,450
$595
lowest
Movement
Swiss High-Torque Quartz
Seiko VH31
Case
5 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 MSAR (Medium Search & Rescue) Diver's Quartz for its tool-like aesthetic, bright tritium lume, and satisfying bezel action. The 36mm case is described as comfortable and growing on wearers, with the watch itself considered incredibly tough and practical. Accuracy is reported within a few seconds of atomic time, and the case is considered solid with scratch-resistant crystal. On balance, owners rate the Marathon MSAR (Medium Search & Rescue) Diver's Quartz highly for its superb value and robust, enjoyable tool watch characteristics.
The Unimatic Modello Quattro UT4-TW Collab Time Only is praised for its robust, MIL-STD-810 certified build and minimalist design, with one owner appreciating its simple and clean aesthetic after initial reservations. However, one owner disliked the TPU strap and experienced a recurring rotor issue requiring a lengthy and poor customer service experience for repair. The watch features a 40mm sandblasted steel case, which may sit flat on smaller or round wrists due to less downward lug curvature. Overall, owners and reviewers rate the Unimatic Modello Quattro UT4-TW Collab Time Only highly for its rugged build and clean design.
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