Side by side

Borealis Watch Co. Porto CovovsHELM Miyako

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
Miyako
HELMMiyako
MSRP $375

At a glance

13 of 29 specs differ
Diameter
Porto Covo40mm
Miyako40mm
Power Reserve
Porto Covo40h
Miyako42h
Water Resistance
Porto Covo300m
Miyako200m
MSRP
Porto Covo$415
Miyako$375

Full specifications

Case

5 specs
Diameter
40mm
40mm
Thickness
11.6mm
13.75mm
Lug-to-Lug
42.5mm
47mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Double-Domed
AR Coating
Inner
Yes
Dial Color
Black
Gray
Lume
BGW9
Super-LumiNova

Movement

3 specs
Caliber
Miyota 9039
Power Reserve
40h
42h
Jewels
25
24

Pricing

1 specs
MSRP
$415
$375

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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.

HELM Miyako

HELM Miyako owners widely praise its exceptional value and quality, with multiple reports highlighting its stunning appearance and dial details. The watch is noted for its excellent accuracy, with figures around +1.5 to +2 seconds per day. One owner found the HELM Miyako to be tough and versatile, fitting well on a 6.6-inch wrist. Overall, owners consider the HELM Miyako an amazing value and a great watch, worth the wait for its availability.

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