Side by side

Borealis Watch Co. Porto CovovsHamilton Khaki Aviation Pilot Pioneer Mechanical Bronze

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

At a glance

13 of 29 specs differ
Diameter
Porto Covo40mm
Khaki Aviation Pilot Pioneer Mechanical Bronze43mm
Power Reserve
Porto Covo40h
Khaki Aviation Pilot Pioneer Mechanical Bronze50h
Water Resistance
Porto Covo300m
Khaki Aviation Pilot Pioneer Mechanical Bronze100m
MSRP
Porto Covo$415
Khaki Aviation Pilot Pioneer Mechanical Bronze$1,795

Full specifications

Case

7 specs
Category
Diver
Pilot
Diameter
40mm
43mm
Thickness
11.6mm
13mm
Lug-to-Lug
42.5mm
52mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
White
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9039
ETA 6498-1
Type
Automatic
Manual
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$415
$1,795

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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.

Hamilton Khaki Aviation Pilot Pioneer Mechanical Bronze

Owners and reviewers praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical Bronze for its romantic aviation appeal, authentic pilot design, and light, versatile case. The dial texture is noted as superior to stock photos, and the tan lume harmonizes with the bronze case. Accuracy is reported as excellent, with one owner seeing +1-2s/day. The joy of winding the oversized crown is a recurring positive, though some find it rough initially. The watch is considered good value by some, offering hand-wind and small seconds with heritage, though others feel it shares technology with more affordable models. Concerns are raised about the mineral crystal scratching more easily than sapphire, with one instance of breakage. The bezel's detents are described as unremarkable, and the stock strap has a paper-like feel. Some owners report a 48-click bezel, while others have a 60-click version.

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