Side by side

Borealis Watch Co. Porto CovovsBremont Altitude Chronograph

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

Porto Covo
Borealis Watch Co.Porto Covo
MSRP $415
Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
Altitude Chronograph42mm
Power Reserve
Porto Covo40h
Altitude Chronograph40h
Water Resistance
Porto Covo300m
Altitude Chronograph100m
MSRP
Porto Covo$415
Altitude Chronograph$6,300

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
42mm
Thickness
11.6mm
14.7mm
Lug-to-Lug
42.5mm
Lug Width
20mm
14.7mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
Silver
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
BE-50AE

Pricing

1 specs
MSRP
$415
$6,300

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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.

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.

Bremont Altitude Chronograph

Owners note faint marks on the case sides and back, with minor wear and creasing on the strap. Reviewers flag the "DANGER EJECTION SEAT" wordmark on the dial as a divisive design choice that disrupts the MB series' usual stark tone, though they praise the improved smoothness and click precision of the Roto Click rotating bezel. On balance, the Bremont Altitude Chronograph elicits mixed reactions, with design elements like the dial text being a point of contention for reviewers.

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