Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsBaltic Aquascaphe Titanium
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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

Aquascaphe Titanium
Diameter
41mm
41mm
Lug-to-Lug
43.5mm
lowest
47mm
Thickness
13mm
13mm
Water Resistance
300m
300m
Power Reserve
n/a
42h
MSRP
$1,800
$788
lowest
Movement
Sellita SW220-1
Miyota 9039
Case
3 specsCrystal & Dial
2 specsMovement
2 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 Baltic Aquascaphe Titanium is widely praised for its lightweight, brushed grade 5 titanium case, high-domed sapphire crystal, and modern, purpose-driven design. Owners and reviewers highlight its excellent finishing for the price point and a fully lumed ceramic bezel. Some find the 41mm size and wider bezel less vintage than earlier models, and one owner experienced a bezel detachment requiring a repair quote. Accuracy is noted as exceptionally good, with one owner reporting no issues over several years. The Baltic Aquascaphe Titanium is priced at EUR 710 (excl. taxes). On balance, owners and reviewers rate the Baltic Aquascaphe Titanium highly for its contemporary design and lightweight titanium build at a competitive price.
The watch's comfortable fit for smaller wrists is a notable strength, with a 41mm case size and 47mm lug-to-lug fit. A potential weakness is the ceramic bezel's potential for wear and tear. Reviewers disagree on the watch's lume, with one reviewer mentioning it's not the brightest and the other not mentioning it at all.
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