Side by side

Borealis Watch Co. Porto CovovsHorage Revolution 3 MicroReg

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
Revolution 3 MicroReg
HorageRevolution 3 MicroReg
MSRP $5,320

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
Revolution 3 MicroReg41mm
Power Reserve
Porto Covo40h
Revolution 3 MicroReg72h
Water Resistance
Porto Covo300m
Revolution 3 MicroReg100m
MSRP
Porto Covo$415
Revolution 3 MicroReg$5,320

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
41mm
Thickness
11.6mm
10.05mm
Lug-to-Lug
42.5mm
48.22mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
No
Lume
BGW9
Super-LumiNova

Movement

2 specs
Caliber
Miyota 9039
Horage K2
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$415
$5,320

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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.

Horage Revolution 3 MicroReg

The Horage Revolution 3 MicroReg showcases an innovative external micro-adjustment system for on-the-fly regulation via electromagnetic pulse, a remarkable feat of micro-engineering. This proof-of-concept prototype is still in early development, with a projected launch in late summer 2026 and a founder's price of CHF 3,900. On balance, reviewers highlight the revolutionary regulation technology as the defining characteristic of the Horage Revolution 3 MicroReg.

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