Side by side

Borealis Watch Co. Porto CovovsPraesidus C-47 D-day - Aluminum Patina

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
C-47 D-day - Aluminum Patina
PraesidusC-47 D-day - Aluminum Patina
MSRP $550

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
C-47 D-day - Aluminum Patina38mm
Power Reserve
Porto Covo40h
C-47 D-day - Aluminum Patina40h
Water Resistance
Porto Covo300m
C-47 D-day - Aluminum Patina100m
MSRP
Porto Covo$415
C-47 D-day - Aluminum Patina$550

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
40mm
38mm
Thickness
11.6mm
11mm
Lug-to-Lug
42.5mm
45mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
C-47 D-Day - Aluminum Patina
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
Seiko NH35

Pricing

1 specs
MSRP
$415
$550

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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.

Praesidus C-47 D-day - Aluminum Patina

The Praesidus C-47 D-day - Aluminum Patina is praised for its 38mm diameter and its dial, crafted from actual C-47 airplane doors, offering a unique patina and historical context. Reviewers note its utilitarian, vintage military aesthetic, enhanced by a sandblasted stainless steel case and acrylic crystal. The watch is equipped with a Miyota 9039 movement, 100m water resistance, and Super-LumiNova for visibility. Accuracy is rated at -10/+30 seconds per day, with a 42-hour power reserve. On balance, reviewers highlight the Praesidus C-47 D-day - Aluminum Patina's historical dial as its most compelling feature, transforming a potentially divisive material into a unique selling point.

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