Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsBorealis Watch Co. Porto Covo

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

OSAR-D (Original SAR with Date) Automatic 41mm
MarathonOSAR-D (Original SAR with Date) Automatic 41mm
MSRP $1,800
Porto Covo
Borealis Watch Co.Porto Covo
MSRP $415

At a glance

8 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
Porto Covo40mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
Porto Covo40h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
Porto Covo300m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
Porto Covo$415

Full specifications

Case

5 specs
Diameter
41mm
40mm
Thickness
13mm
11.6mm
Lug-to-Lug
43.5mm
42.5mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

1 specs
Lume
None
BGW9

Movement

1 specs
Caliber
Sellita SW220-1
Miyota 9039

Pricing

1 specs
MSRP
$1,800
$415

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What people say

Owners + reviewers, side by side

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 highly legible white dial with applied hour markers and a functional date magnifier, emphasizing its tool-watch purpose. Its Swiss-made Sellita SW200-1 movement is considered reliable and serviceable. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 41mm for its excellent legibility and robust movement.

Borealis Watch Co. Porto Covo

The Borealis Porto Covo is widely praised for its 39mm size and unique cantilevered indices that create a 3D effect and depth. Owners note the indices' floating appearance is a well-executed design. One owner reported poor accuracy and a terse customer service response, while another wished for a 42mm size option. The $395 price is considered reasonable for a microbrand, though some feel it does not compare favorably to AliExpress options. Overall, owners appreciate the Borealis Porto Covo for its distinctive dial design and wearable 39mm case size.

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