Side by side

Borealis Watch Co. Porto CovovsYema Pearldiver

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
Pearldiver
YemaPearldiver
MSRP $491

At a glance

10 of 29 specs differ
Diameter
Porto Covo40mm
Pearldiver38mm
Power Reserve
Porto Covo40h
Pearldiver40h
Water Resistance
Porto Covo300m
Pearldiver100m
MSRP
Porto Covo$415
Pearldiver$491

Full specifications

Case

6 specs
Diameter
40mm
38mm
Thickness
11.6mm
14mm
Lug-to-Lug
42.5mm
46mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
Steel
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039

Pricing

1 specs
MSRP
$415
$491

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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.

Yema Pearldiver

Owners widely praise the Yema Pearldiver's vintage aesthetic, clean dial, and sub-40mm dimensions with short lug-to-lug, noting its in-house movement and solid build quality. Accuracy figures range from dead-on at 0 seconds per day to +2 seconds per day, though some owners have reported dead-on-arrival movements requiring returns. The bracelet clasp is described by one owner as "pretty cheap." Some find the design pedestrian and lacking uniqueness, with the faux lume color noted as too dark by one commenter. Overall, owners rate the Yema Pearldiver highly for its vintage appeal and wearable dimensions at the price.

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