Side by side

Horage Autark Tourbillon GMTvsBorealis Watch Co. Porto Covo

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

Autark Tourbillon GMT
HorageAutark Tourbillon GMT
MSRP $20,150
Porto Covo
Borealis Watch Co.Porto Covo
MSRP $415

At a glance

14 of 29 specs differ
Diameter
Autark Tourbillon GMT39.5mm
Porto Covo40mm
Power Reserve
Autark Tourbillon GMT72h
Porto Covo40h
Water Resistance
Autark Tourbillon GMT100m
Porto Covo300m
MSRP
Autark Tourbillon GMT$20,150
Porto Covo$415

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
40mm
Thickness
8.9mm
11.6mm
Lug-to-Lug
48.3mm
42.5mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

3 specs
AR Coating
No
Inner
Dial Color
Meteorite
Black
Lume
Super-LumiNova
BGW9

Movement

3 specs
Caliber
Horage K-TMR
Miyota 9039
Power Reserve
72h
40h
Complications
Tourbillon, GMT
None

Pricing

1 specs
MSRP
$20,150
$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.

Horage Autark Tourbillon GMT

Owners widely praise the Horage Autark Tourbillon GMT for its Swiss-made tourbillon, platinum micro-rotor, and super-thin 9mm titanium case design, noting little less than premium feel in case and movement finishing. The dial features a sub-seconds, date, and power reserve indicator, powered by an in-house movement with a 60-hour reserve. Some find the sub-dial illegible and hour hands difficult to read quickly, while others note the stepped bezel is not to their taste and the micro-rotor can be loud. The bracelet's lack of taper is also flagged as a drawback. On balance, owners rate the Horage Autark Tourbillon GMT highly for its premium finishing and innovative technical features at its price point.

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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