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

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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-GMT at true scale

Modello Uno U1-GMT

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

$1,050

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
n/a
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
$1,050
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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-GMT

Owners widely praise the Unimatic Modello Uno U1-GMT for its minimalist, utilitarian design and excellent case finishing, with many finding the price impressive for the quality received. Reviewers note its recognizable Italian design sensibility, blending vintage cues with modern robustness, and highlight specific design elements like the phantom ladder handset and a hollowed-out GMT hand. The watch features a matte black dial with Super-Luminova markers and a stealthy 24-hour bezel. Some owners find the 12.9mm thick case noticeable and large on the wrist, and the 120-click unidirectional bezel is described as less purposeful for a GMT function, though its action is found addictive by one reviewer. Accuracy figures for the Seiko NH34A movement range from -20/+40 seconds per day, considered decent at best by some. Overall, owners and reviewers rate the Unimatic Modello Uno U1-GMT highly for its distinctive design and build quality at its price point.