Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsTissot Seastar 2000 Professional 44mm

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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.

OSAR-D (Original SAR with Date) Automatic 46mm

Seastar 2000 Professional 44mm
Diameter
46mm
44mm
Thickness
13mm
lowest
15.3mm
Water Resistance
300m
600m
highest
Power Reserve
n/a
80h
MSRP
$2,500
$931
lowest
Movement
Sellita SW220-1
Automatic
Case
6 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners and reviewers widely praise the Marathon OSAR-D (Original SAR with Date) Automatic 46mm for its exceptional legibility, robust tool-watch design, and rugged feel. The matte black dial, large hour markers, and MaraGlo lume contribute to excellent readability, even in challenging conditions. Some owners note the 46mm case is substantial and can feel large, particularly in social settings, though it fits some wrists well. The watch is powered by a Sellita SW200-1 automatic movement. Overall, owners and reviewers rate the Marathon OSAR-D (Original SAR with Date) Automatic 46mm highly for its unapologetic tool-watch purpose and legibility.
The Tissot Seastar 2000 Professional 44mm is widely praised for its exceptional value, offering impressive specifications like 600m water resistance and an 80-hour power reserve from its automatic movement. Owners and reviewers highlight its attractive dial, often featuring a fading blue color with etched waves and a color-matched date window, along with Tissot's generally appealing designs and good build quality. The engraved ceramic bezel numbers are noted as a significant improvement. However, the 44mm case size is a point of contention, with some finding it substantial and feeling larger due to its lug-to-lug measurement, while others appreciate its short lugs which make it wear less bulky. One owner reported a bezel click action failure after 14 days. Overall, owners and reviewers rate the Tissot Seastar 2000 Professional 44mm highly for its robust build and technology at an exceptional price point.
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