Side by side

Borealis Watch Co. Porto CovovsBoldr Globetrotter 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
Globetrotter GMT
BoldrGlobetrotter GMT
MSRP $469

At a glance

11 of 29 specs differ
Diameter
Porto Covo40mm
Globetrotter GMT40mm
Power Reserve
Porto Covo40h
Globetrotter GMT40h
Water Resistance
Porto Covo300m
Globetrotter GMT200m
MSRP
Porto Covo$415
Globetrotter GMT$469

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
40mm
Thickness
11.6mm
12.7mm
Lug-to-Lug
42.5mm
48mm
Lug Width
20mm
20mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

1 specs
Caliber
Miyota 9039
Seiko NH34 GMT

Pricing

1 specs
MSRP
$415
$469

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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 Globetrotter GMT

The Boldr Globetrotter GMT is praised for its legibility and finishing, featuring applied Super-LumiNova indices and sword hands on a matte black or sunburst blue dial. Reviewers highlight the ceramic bezel's sharp city markings and tight, smooth ratcheting action. The 44mm 316L stainless steel case exhibits a non-traditional design with radial and vertical brushing.

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