Side by side

Borealis Watch Co. Porto CovovsSeiko Prospex Land Mechanical

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
Prospex Land Mechanical
SeikoProspex Land Mechanical
MSRP $995
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.

Seiko Prospex Land Mechanical

Owners widely praise the Seiko Prospex Land Mechanical for its unique style, useful day-date complication, and value, with some finding it suitable as a one-watch-for-all-occasions. Accuracy and durability are noted as strengths, with one owner reporting good performance even in water submersion. However, multiple owners criticize its size, with figures around 41mm to 43mm and 14.4mm thickness being flagged as too large and thick for smaller wrists. The Hardlex crystal and a potentially loose inner compass bezel are also points of criticism. On balance, owners rate the Seiko Prospex Land Mechanical highly for its unique style and value, despite concerns over its substantial dimensions.

At a glance

12 of 29 specs differ
Diameter
Porto Covo40mm
Prospex Land Mechanical39.5mm
Power Reserve
Porto Covo40h
Prospex Land Mechanical72h
Water Resistance
Porto Covo300m
Prospex Land Mechanical200m
MSRP
Porto Covo$415
Prospex Land Mechanical$995

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
40mm
39.5mm
Thickness
11.6mm
12.7mm
Lug-to-Lug
42.5mm
46.4mm
Lug Width
20mm
20mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9039
6R55
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$415
$995
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