Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsBorealis 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 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500
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 46mm46mm
Porto Covo40mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
Porto Covo40h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
Porto Covo300m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
Porto Covo$415

Full specifications

Case

5 specs
Diameter
46mm
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
$2,500
$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 46mm

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm is widely regarded as a rugged and legible timepiece, featuring a familiar geometric dial with MaraGlo lume and a white dial with applied hour markers that enhance legibility. Owners and reviewers note its 300-meter water resistance and the reliable Swiss-made Sellita SW200-1 automatic movement with improved shock protection. The watch is described as large, thick, and heavy, with some owners finding it comfortable on the wrist while others note its substantial presence, particularly at a table. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 46mm for its rugged build and excellent legibility.

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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