Side by side

Borealis Watch Co. Porto CovovsFormex Reef 39.5 mm

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
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

9 of 29 specs differ
Diameter
Porto Covo40mm
Reef 39.5 mm39.5mm
Power Reserve
Porto Covo40h
Reef 39.5 mm56h
Water Resistance
Porto Covo300m
Reef 39.5 mm300m
MSRP
Porto Covo$415
Reef 39.5 mm$2,230

Full specifications

Case

4 specs
Diameter
40mm
39.5mm
Thickness
11.6mm
11mm
Lug-to-Lug
42.5mm
45.5mm
Lug Width
20mm
22mm

Crystal & Dial

2 specs
Dial Color
Black
Bahama Blue
Lume
BGW9
Super-LumiNova

Movement

2 specs
Caliber
Miyota 9039
Sellita SW300-1
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$415
$2,230

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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.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

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