Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsCWC 1980 RN Divers Automatic Re-Issue

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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

1980 RN Divers Automatic Re-Issue
Diameter
46mm
45mm
Lug-to-Lug
n/a
47mm
Thickness
13mm
12.7mm
lowest
Water Resistance
300m
300m
MSRP
$2,500
lowest
$3,747
Movement
Sellita SW220-1
ETA 2824-2
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 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.
Owners widely praise the CWC (Cabot Watch Company) 1980 RN Divers Automatic Re-Issue Watch for its faithful homage to the original, with specific call-outs for the dial markings, vintage logo, and luminous acrylic bezel. Reviewers and owners alike appreciate the Monnin-style case, which is noted for wearing beautifully, and the matte black dial with legible hands. Accuracy is reported as excellent, with one owner noting under +2 seconds per day. The fixed lugs are seen by some as a drawback, though others consider them a positive feature for a tool watch. The "faux patina" lume receives mixed reactions, with some finding it too gold and glossy, while others favor it. The polished case finish is also noted as unusual for a military watch. Some owners question the value proposition at its price point, citing the ETA movement, though others see it as a strong alternative to more expensive options.
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