Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsUnimatic Modello Quattro

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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 Quattro at true scale

Modello Quattro

Diameter

41mm

40mm

Lug-to-Lug

43.5mm

n/a

Thickness

13mm

n/a

Water Resistance

300m

300m

Power Reserve

n/a

38h

MSRP

$1,800

$1,050

lowest

Movement

Sellita SW220-1

Sellita SW200-1

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

3 specs
Caliber
Sellita SW220-1
Sellita SW200-1
Type
Automatic
Meca-Quartz
Power Reserve
0h
38h

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 Quattro

Owners and reviewers praise the Unimatic Modello Quattro for its rugged tool watch aesthetic and sandblasted titanium case, which is notably lightweight. The colorful California dial on some variants is described as striking and legible in bright light, while the satin-finished dial and textured strap on others create a stylish and robust integration. However, the 22mm strap can make the 40mm case feel larger on the wrist, and the strap itself may require effort to tighten properly. Accuracy ratings vary, with one source noting ±12 seconds per day for the Sellita SW200-1b movement. Overall, owners and reviewers find the Unimatic Modello Quattro to be a well-built and reasonably priced tool watch, with its lightweight titanium construction and distinctive dial designs being key highlights.