Side by side

Borealis Watch Co. Porto CovovsPhoibos Voyager GMT

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
Voyager GMT
PhoibosVoyager GMT
MSRP $429

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
Voyager GMT39mm
Power Reserve
Porto Covo40h
Voyager GMT40h
Water Resistance
Porto Covo300m
Voyager GMT100m
MSRP
Porto Covo$415
Voyager GMT$429

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
39mm
Thickness
11.6mm
13.2mm
Lug-to-Lug
42.5mm
45mm
Lug Width
20mm
20mm
Water Resistance
300m
100m

Crystal & Dial

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

Movement

1 specs
Caliber
Miyota 9039
SII NH34

Pricing

1 specs
MSRP
$415
$429

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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.

Phoibos Voyager GMT

Owners widely praise the Phoibos Voyager GMT for its exceptional fit and finish, attractive dials that play with light, and outstanding lume. The bezel action is described as perfect with a grippy, smooth-threaded crown, and the bracelet clasp is noted as high quality for the price. Accuracy varies, with one owner reporting +1/+2 seconds per day and another around -6 seconds per day. Some owners find the 14.5mm thickness chunky and difficult to wear with long sleeves, and the 24-click bezel limits tracking to hour-offset time zones. The date color can blend into the dial, and the date wheel may show slight misalignment. On balance, owners rate the Phoibos Voyager GMT highly for its vibrant dials and excellent value.

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