Invicta Reserve Magnum TriavsMarathon MSAR (Medium Search & Rescue) Diver's Automatic
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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.

Reserve Magnum Tria

MSAR (Medium Search & Rescue) Diver's Automatic
Diameter
52mm
36mm
Lug-to-Lug
52mm
n/a
Thickness
n/a
18mm
Water Resistance
200m
300m
highest
MSRP
n/a
$1,800
Movement
Seiko NH35
Sellita SW200-1
Case
6 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 Invicta Reserve Magnum Tria for its robust Seiko NH35 automatic movement and a substantial 200m water resistance. One owner criticizes the use of mineral glass instead of sapphire. The Invicta Reserve Magnum Tria is a massive 52mm watch. On balance, owners appreciate the Invicta Reserve Magnum Tria for its robust movement and water resistance at its price point.
The Marathon MSAR (Medium Search & Rescue) Diver's Automatic is widely praised for its utilitarian design, exceptional legibility, and robust build quality, meeting ISO 6425 dive watch standards and approved for military use. Reviewers highlight its bright tritium lume for excellent visibility in darkness and its durable, no-nonsense construction suitable for demanding conditions. The watch is noted for its comfortable wearability, though one reviewer found the stock rubber strap required modification. Priced at $900 CAD, the Marathon MSAR (Medium Search & Rescue) Diver's Automatic is a sober tool watch assembled in Switzerland. Overall, reviewers rate the Marathon MSAR (Medium Search & Rescue) Diver's Automatic highly for its uncompromising focus on utility, durability, and legibility.
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