Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsUnimatic Modello Uno U1S-GMT-RR

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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 U1S-GMT-RR at true scale

Modello Uno U1S-GMT-RR

Diameter

41mm

40mm

Lug-to-Lug

43.5mm

n/a

Thickness

13mm

n/a

Water Resistance

300m

300m

MSRP

$1,800

lowest

$2,060

Movement

Sellita SW220-1

ETA 2893-2

Case

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

Crystal & Dial

1 specs
Dial Color
Black
n/a

Movement

1 specs
Caliber
Sellita SW220-1
ETA 2893-2

Pricing

1 specs
MSRP
$1,800
$2,060
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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 U1S-GMT-RR

Owners praise the Unimatic Modello Uno U1S-GMT-RR for its recognizable minimalist design and excellent case finishing, with one owner finding the price impressive for the quality. The watch features a 40mm brushed stainless steel case and a matte black dial with Super-Luminova markers. Some reviewers note the 120-click 24-hour bezel would be more purposeful with hourly clicks, and one owner finds its lume useless at night. The Seiko NH34A automatic movement is stated to run with an accuracy of -20/+40 seconds per day. On balance, owners and reviewers appreciate the Unimatic Modello Uno U1S-GMT-RR for its utilitarian aesthetic and build quality, despite some functional critiques of the bezel and lume.