Side by side

Borealis Watch Co. Porto CovovsChristopher Ward C63 Sealander 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
C63 Sealander GMT
Christopher WardC63 Sealander GMT
MSRP $1,675

At a glance

15 of 29 specs differ
Diameter
Porto Covo40mm
C63 Sealander GMT42mm
Power Reserve
Porto Covo40h
C63 Sealander GMT56h
Water Resistance
Porto Covo300m
C63 Sealander GMT150m
MSRP
Porto Covo$415
C63 Sealander GMT$1,675

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
40mm
42mm
Thickness
11.6mm
11.5mm
Lug-to-Lug
42.5mm
48.5mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Brushed + Polished + Sandblasted
Water Resistance
300m
150m
Caseback
Solid
Display

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
BGW9
SLN X1 BL C1

Movement

4 specs
Caliber
Miyota 9039
SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56h
Complications
None
GMT, Moonphase, Day-date

Pricing

1 specs
MSRP
$415
$1,675

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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.

Christopher Ward C63 Sealander GMT

The Christopher Ward C63 Sealander GMT is praised for its comfortable wearability, with reviewers noting its slim profile, short lugs, and 39mm case size, while others prefer the proportions of the 36mm version. The watch features a Light-catcher case with alternating brushed and polished surfaces, and the Bader bracelet is highlighted for its build quality and comfort at its price point. Some owners find the gloss white dial's text and indices small, and the orange accents can appear yellow. The Sellita SW330-2 movement provides caller GMT functionality and a 56-hour power reserve. On balance, owners and reviewers appreciate the Christopher Ward C63 Sealander GMT for its comfortable wearability and solid bracelet construction at its price.

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