Which is cheaper, the Borealis Watch Co. Lusitano or the Seiko Prospex Sea Save the Ocean Special Edition?

At MSRP the Borealis Watch Co. Lusitano is the cheaper of the two at $350, against $625 for the Seiko Prospex Sea Save the Ocean Special Edition — a $275 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Lusitano or the Seiko Prospex Sea Save the Ocean Special Edition?

The Seiko Prospex Sea Save the Ocean Special Edition wears larger at 45mm versus 39mm for the Borealis Watch Co. Lusitano — a 6mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Lusitano or the Seiko Prospex Sea Save the Ocean Special Edition?

The Seiko Prospex Sea Save the Ocean Special Edition is rated to 200m versus 100m for the Borealis Watch Co. Lusitano.

Which has a longer power reserve, the Borealis Watch Co. Lusitano or the Seiko Prospex Sea Save the Ocean Special Edition?

The Borealis Watch Co. Lusitano carries a 60-hour power reserve against 41 hours on the Seiko Prospex Sea Save the Ocean Special Edition.

What movement does the Borealis Watch Co. Lusitano run compared to the Seiko Prospex Sea Save the Ocean Special Edition?

Both watches run automatic movements — the Borealis Watch Co. Lusitano uses the Miyota 8315 and the Seiko Prospex Sea Save the Ocean Special Edition uses the 4R36.

Side by side

Borealis Watch Co. LusitanovsSeiko Prospex Sea Save the Ocean Special 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 Save the Ocean Special Edition

srpf77

MSRP $625

At a glance

12 of 29 specs differ

Diameter

Lusitano39mm

Prospex Sea Save the Ocean Special Edition45mm

Power Reserve

Lusitano60h

Prospex Sea Save the Ocean Special Edition41h

Water Resistance

Lusitano100m

Prospex Sea Save the Ocean Special Edition200m

MSRP

Lusitano$350

Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

6 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

4R36

Power Reserve

60h

41h

Jewels

Pricing

1 specs

MSRP

$350

$625

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