Which is cheaper, the Borealis Watch Co. Lusitano or the Seiko 5 Sports Field series?

At MSRP the Seiko 5 Sports Field series is the cheaper of the two at $315, against $350 for the Borealis Watch Co. Lusitano — a $35 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Lusitano or the Seiko 5 Sports Field series?

The Seiko 5 Sports Field series wears larger at 39.4mm versus 39mm for the Borealis Watch Co. Lusitano — a 0.4mm difference across the dial.

Which has better water resistance, the Borealis Watch Co. Lusitano or the Seiko 5 Sports Field series?

The Borealis Watch Co. Lusitano is rated to 100m versus 10m for the Seiko 5 Sports Field series.

Which has a longer power reserve, the Borealis Watch Co. Lusitano or the Seiko 5 Sports Field series?

The Borealis Watch Co. Lusitano carries a 60-hour power reserve against 41 hours on the Seiko 5 Sports Field series.

What movement does the Borealis Watch Co. Lusitano run compared to the Seiko 5 Sports Field series?

Both watches run automatic movements — the Borealis Watch Co. Lusitano uses the Miyota 8315 and the Seiko 5 Sports Field series uses the 4R36.

Side by side

Borealis Watch Co. LusitanovsSeiko 5 Sports Field series

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 5 Sports Field series

srpg27

MSRP $315

At a glance

11 of 29 specs differ

Diameter

Lusitano39mm

5 Sports Field series39.4mm

Power Reserve

Lusitano60h

5 Sports Field series41h

Water Resistance

Lusitano100m

5 Sports Field series100m

MSRP

Lusitano$350

5 Sports Field series$315

Full specifications

Case

4 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Hardlex

Crystal Shape

Flat

Curved

Lume

Yes

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Miyota 8315

4R36

Power Reserve

60h

41h

Jewels

Pricing

1 specs

MSRP

$350

$315

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