Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Borealis Watch Co. Lusitano?

At MSRP the Borealis Watch Co. Lusitano is the cheaper of the two at $350, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,655 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Borealis Watch Co. Lusitano?

The Borealis Watch Co. Lusitano wears larger at 39mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 0mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Borealis Watch Co. Lusitano?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 100m for the Borealis Watch Co. Lusitano.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Borealis Watch Co. Lusitano?

The Borealis Watch Co. Lusitano carries a 60-hour power reserve against 42 hours on the Serica Ref. 5330 Diving Chronometer Date.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Borealis Watch Co. Lusitano?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Borealis Watch Co. Lusitano uses the Miyota 8315.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsBorealis Watch Co. Lusitano

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

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

Borealis Watch Co.Lusitano

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

MSRP $350

At a glance

11 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Lusitano39mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Lusitano60h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Lusitano100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Lusitano$350

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Lume

Super-LumiNova

Yes

Movement

3 specs

Caliber

SoProd M100

Miyota 8315

Power Reserve

42h

60h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$350

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