Side by side

AVI-8 P-51 Mustang Blakeslee Meca-Quartz ChronographvsBorealis Watch Co. Porto Covo

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

P-51 Mustang Blakeslee Meca-Quartz Chronograph
AVI-8P-51 Mustang Blakeslee Meca-Quartz Chronograph
MSRP $315
Porto Covo
Borealis Watch Co.Porto Covo
MSRP $415

At a glance

13 of 29 specs differ
Diameter
P-51 Mustang Blakeslee Meca-Quartz Chronograph43mm
Porto Covo40mm
Power Reserve
P-51 Mustang Blakeslee Meca-Quartz Chronograph40h
Porto Covo40h
Water Resistance
P-51 Mustang Blakeslee Meca-Quartz Chronograph50m
Porto Covo300m
MSRP
P-51 Mustang Blakeslee Meca-Quartz Chronograph$315
Porto Covo$415

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
43mm
40mm
Thickness
13mm
11.6mm
Lug-to-Lug
51mm
42.5mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
Dial Color
COMMAND PILOT
Black
Lume
None
BGW9

Movement

2 specs
Caliber
Miyota 9039
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$315
$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.

AVI-8 P-51 Mustang Blakeslee Meca-Quartz Chronograph

Owners widely praise the AVI-8 P-51 Mustang Blakeslee Meca-Quartz Chronograph for its vintage-inspired, cockpit instrument aesthetic and the functional meca-quartz chronograph movement. The blue dial is described as stunning with depth, and the aviation-style numerals and brushed steel case contribute to its look. One owner notes the non-sapphire crystal scratches easily, and another criticizes the highly reflective crystal and poor lume. On balance, owners rate the AVI-8 P-51 Mustang Blakeslee Meca-Quartz Chronograph highly for its collectible aviation tribute design and satisfying meca-quartz chronograph function.

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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