Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsZelos Blacktip 200m Diver

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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

Blacktip 200m Diver
Diameter
41mm
41mm
Lug-to-Lug
43.5mm
lowest
47.5mm
Thickness
13mm
11.5mm
lowest
Water Resistance
300m
highest
200m
MSRP
$1,800
$499
lowest
Movement
Sellita SW220-1
Miyota 9015
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.
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 Zelos Blacktip 200m Diver is widely praised for its superb value, distinctive design, and ergonomic 41mm case that measures 11.5mm thick. Owners highlight the bezel action as great and the bracelet as rock solid with toolless micro-adjust. The watch features eye-catching dials, including shimmery red aventurine and sand fume options, and a full lume dial is noted. The screw-down crown engages and screws in smoothly, with no stem or crown wobble reported, though one owner described the crown action as a little gritty. The Miyota 9015 movement powers the watch, which is rated for 200m water resistance. On balance, owners and reviewers rate the Zelos Blacktip 200m Diver highly for its outstanding value and distinctive dial and bezel treatments.
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