Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsUnimatic Modello Uno U1-FMN

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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.

Marathon OSAR-D (Original SAR with Date) Automatic 41mm at true scale

OSAR-D (Original SAR with Date) Automatic 41mm

Unimatic Modello Uno U1-FMN at true scale

Modello Uno U1-FMN

Diameter

41mm

40mm

Lug-to-Lug

43.5mm

n/a

Thickness

13mm

n/a

Water Resistance

300m

300m

Power Reserve

n/a

41h

MSRP

$1,800

$960

lowest

Movement

Sellita SW220-1

Seiko NH35

Case

5 specs
Diameter
41mm
40mm
Thickness
13mm
n/a
Lug-to-Lug
43.5mm
n/a
Lug Width
18mm
22mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
n/a

Movement

2 specs
Caliber
Sellita SW220-1
Seiko NH35
Power Reserve
0h
41h

Pricing

1 specs
MSRP
$1,800
$960
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Marathon OSAR-D (Original SAR with Date) Automatic 41mm

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.

Unimatic Modello Uno U1-FMN

The Unimatic Modello Uno U1-FMN is widely praised for its intensely minimalist and utilitarian design, featuring clever case details like mirrored lug lines and crown guards. Owners appreciate its simple, well-executed diver aesthetic and all-black finish, with many finding the 40mm case very wearable. The Seiko NH35 automatic movement is noted as reliable. Some reviewers feel the lack of a minute track dilutes the brand's signature DNA, making it appear sterile, while others find the Super-LumiNova lume application uneven. One owner reported sharp edges on the bracelet clasp. On balance, owners and reviewers appreciate the Unimatic Modello Uno U1-FMN for its striking minimalist design and solid build quality at its price point.