Side by side

Marathon Arctic OSAR 36mm AutomaticvsBorealis Watch Co. Porto Covo

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

Arctic OSAR 36mm Automatic
MarathonArctic OSAR 36mm Automatic
MSRP $1,200
Porto Covo
Borealis Watch Co.Porto Covo
MSRP $415

At a glance

9 of 29 specs differ
Diameter
Arctic OSAR 36mm Automatic36mm
Porto Covo40mm
Power Reserve
Arctic OSAR 36mm Automatic40h
Porto Covo40h
Water Resistance
Arctic OSAR 36mm Automatic300m
Porto Covo300m
MSRP
Arctic OSAR 36mm Automatic$1,200
Porto Covo$415

Full specifications

Case

5 specs
Diameter
36mm
40mm
Thickness
13mm
11.6mm
Lug-to-Lug
43.5mm
42.5mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

2 specs
Dial Color
White
Black
Lume
None
BGW9

Movement

1 specs
Caliber
Sellita SW220-1
Miyota 9039

Pricing

1 specs
MSRP
$1,200
$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 Arctic OSAR 36mm Automatic

The Marathon Arctic OSAR 36mm Automatic is noted for its non-tritium dial option, though some owners prefer the 1-12 numeral layout found on other models. One owner found the 36mm size too small for their wrist. Overall, owners appreciate the Marathon Arctic OSAR 36mm Automatic for its non-tritium dial option.

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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