Side by side

Borealis Watch Co. Porto CovovsFortis Flieger F-43 Triple-GMT

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
Flieger F-43 Triple-GMT
FortisFlieger F-43 Triple-GMT
MSRP $4,840

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
Flieger F-43 Triple-GMT43mm
Power Reserve
Porto Covo40h
Flieger F-43 Triple-GMT56h
Water Resistance
Porto Covo300m
Flieger F-43 Triple-GMT200m
MSRP
Porto Covo$415
Flieger F-43 Triple-GMT$4,840

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
43mm
Thickness
11.6mm
14mm
Lug-to-Lug
42.5mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Black
Original
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
Sellita SW330-2
Power Reserve
40h
56h

Pricing

1 specs
MSRP
$415
$4,840

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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.

Fortis Flieger F-43 Triple-GMT

The Fortis Flieger F-43 Triple-GMT is widely praised for its stunning dial execution, COSC-certified Kenissi WERK 13 movement with a 70-hour power reserve, and legible Brixtrack luminous indices. Owners and reviewers highlight the surprisingly wearable 43mm titanium case and bracelet, noting its lightness and comfort despite the size, with one source specifically mentioning a quick-adjustable extension. The watch offers 200m water resistance and features a Synchroline indicator. However, some owners note the titanium scratches easily and the bracelet can be difficult to size. The watch is priced at €4,500. On balance, owners and reviewers rate the Fortis Flieger F-43 Triple-GMT highly for its purpose-focused pilot's watch design and innovative movement.

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