Marathon MSAR (Medium Search & Rescue) Diver's QuartzvsUnimatic Modello Quattro UT4-AA3

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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-AA3
Diameter
36mm
40mm
Thickness
18mm
12.1mm
lowest
Water Resistance
300m
300m
MSRP
$1,450
$970
lowest
Movement
Swiss High-Torque Quartz
Seiko VH31
Case
5 specsCrystal & Dial
1 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-AA3 is lauded for its rugged, no-nonsense tool watch design and MIL-STD-810 tested shock protection, making it suitable for demanding situations. Owners appreciate its simple, brutalist design as a standout piece, and reviewers note its slimmer 12.05mm case achieved with a Seiko VH31 quartz movement. However, its sandblasted finish will show wear and tear over time, and some with smaller wrists may find its 40mm case and flat lugs sit awkwardly, though its chunky profile suits its tool watch ethos. Overall, owners and reviewers rate the Unimatic Modello Quattro UT4-AA3 highly for its durable, minimalist tool watch aesthetic and slimmer case profile.
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