Side by side

Borealis Watch Co. Porto CovovsBoldr Expedition Enigmath

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
Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599

At a glance

12 of 29 specs differ
Diameter
Porto Covo40mm
Expedition Enigmath41mm
Power Reserve
Porto Covo40h
Expedition Enigmath42h
Water Resistance
Porto Covo300m
Expedition Enigmath200m
MSRP
Porto Covo$415
Expedition Enigmath$599

Full specifications

Case

6 specs
Category
Diver
Tool
Diameter
40mm
41mm
Thickness
11.6mm
12.8mm
Lug-to-Lug
42.5mm
47.5mm
Lug Width
20mm
20mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Enigmath Coconino
Lume
BGW9
Super-LumiNova

Movement

2 specs
Caliber
Miyota 9039
Miyota 9039,
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$415
$599

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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.

Boldr Expedition Enigmath

The watch's slide rule function is a convenient feature, allowing for calculations on the go. One potential drawback is the use of the Japanese Miyota 9039 movement, which may be a trade-off for some buyers. Reviewers disagree on whether the quick 'on the fly' adjust bracelet is a more significant advantage than the watch's sapphire crystal for durability and scratch resistance.

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