Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsNodus Sector Deep Pioneer
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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 41mm

Sector Deep Pioneer
Diameter
41mm
38mm
Lug-to-Lug
43.5mm
lowest
47mm
Thickness
13mm
lowest
13.6mm
Water Resistance
300m
500m
highest
Power Reserve
n/a
41h
MSRP
$1,800
$675
lowest
Movement
Sellita SW220-1
Seiko NH34
Case
6 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its high legibility, featuring large hour markers and a white dial with applied indices. A functional date magnifier is present. The watch utilizes a reliable Sellita SW200-1 automatic movement. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. On balance, reviewers highlight the Marathon OSAR-D (Original SAR with Date) Automatic 41mm's strong legibility and functional design as its primary strengths.
The Nodus Sector Deep Pioneer is a rugged, feature-packed tool watch praised for its compelling value and thoughtful execution. It features a 38mm sandblasted 316L stainless steel case with a destro crown and 500 meters of water resistance. The watch is equipped with a Seiko NH34 automatic GMT movement, a 120-click compass bezel, and extensive Super-LumiNova BGW9 lume on hands, markers, and bezel scales. Priced at $625, it is described as a busy but legible watch. Overall, reviewers rate the Nodus Sector Deep Pioneer highly for its robust design and excellent value at the $625 price point.
The 500-meter water resistance is a strength. The fully lumed bezel is a strength.
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