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

$950

lowest

Movement

Sellita SW220-1

Seiko NH34

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 NH34
Power Reserve
0h
41h

Pricing

1 specs
MSRP
$1,800
$950
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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

The Unimatic Modello Uno U1-GMT is praised for its minimalist, utilitarian design that blends vintage cues with modern robustness, featuring a matte black dial with a phantom ladder handset and a hollowed-out GMT hand. Owners widely report the Unimatic cases are very well finished, with impressive quality for the price. Some reviewers note the Seiko NH34A movement's stated accuracy of -20/+40 seconds per day is decent at best, and one owner describes the watch as a bit "chonky." The 120-click unidirectional bezel is considered a missed opportunity for a GMT function, which would benefit from a bidirectional bezel. Overall, owners and reviewers rate the Unimatic Modello Uno U1-GMT highly for its striking design and value.

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