Which is cheaper, the Borealis Watch Co. Lusitano or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition?

At MSRP the Borealis Watch Co. Lusitano is the cheaper of the two at $350, against $1,750 for the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition — a $1,400 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Lusitano or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition wears larger at 42mm versus 39mm for the Borealis Watch Co. Lusitano — a 3mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Lusitano or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition is rated to 300m versus 100m for the Borealis Watch Co. Lusitano.

Which has a longer power reserve, the Borealis Watch Co. Lusitano or the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition carries a 72-hour power reserve against 60 hours on the Borealis Watch Co. Lusitano.

What movement does the Borealis Watch Co. Lusitano run compared to the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition?

Both watches run automatic movements — the Borealis Watch Co. Lusitano uses the Miyota 8315 and the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition uses the 6R54.

Side by side

Borealis Watch Co. LusitanovsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Borealis Watch Co.Lusitano

borealis-lusitano-black-dial-a-chronicle-of-time-elegance-and-precision

MSRP $350

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition

spb534j1

MSRP $1,750

At a glance

11 of 29 specs differ

Diameter

Lusitano39mm

Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition42mm

Power Reserve

Lusitano60h

Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition72h

Water Resistance

Lusitano100m

Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition300m

MSRP

Lusitano$350

Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition$1,750

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

Yes

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Miyota 8315

6R54

Power Reserve

60h

72h

Jewels

Pricing

1 specs

MSRP

$350

$1,750

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