Side by side

Borealis Watch Co. Porto CovovsChristopher Ward C65 Dune Aeolian

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
C65 Dune Aeolian
Christopher WardC65 Dune Aeolian
MSRP $1,335

At a glance

16 of 29 specs differ
Diameter
Porto Covo40mm
C65 Dune Aeolian43.6mm
Power Reserve
Porto Covo40h
C65 Dune Aeolian38h
Water Resistance
Porto Covo300m
C65 Dune Aeolian150m
MSRP
Porto Covo$415
C65 Dune Aeolian$1,335

Full specifications

Case

8 specs
Category
Diver
Diameter
40mm
43.6mm
Thickness
11.6mm
11.7mm
Lug-to-Lug
42.5mm
43.6mm
Lug Width
20mm
20mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
150m
Caseback
Solid
Display

Crystal & Dial

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

Movement

5 specs
Caliber
Miyota 9039
SW200
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
38h
Jewels
25
26
Complications
None
Moonphase, Day-date

Pricing

1 specs
MSRP
$415
$1,335

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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 C65 Dune Aeolian

The Christopher Ward C65 Dune Aeolian is widely praised for its improved textured dials, offering depth and a departure from common finishes, with owners specifically noting the stunning sandy texture and wavy dial designs. Its 38mm case is consistently highlighted for its comfortable wearability and neat proportions, featuring satin-finished steel and a compact lug-to-lug. The watch is also recognized for its excellent value, solid finishing, and practical features like 150m water resistance and a screw-down crown. Some owners report impressive accuracy, with one noting a COSC-certified movement gained only 4 seconds in five days, while another states accuracy is rated up to 20 seconds per day. The bronze case variant develops a natural, characterful patina. A short 38-hour power reserve is noted as a drawback, and some find the grey dial blends too much with the case or that the logo is abstract.

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