Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Sartory Billard SB04?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $2,900 for the Sartory Billard SB04 — a $895 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Sartory Billard SB04?

The Sartory Billard SB04 wears larger at 40mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Sartory Billard SB04?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 30m for the Sartory Billard SB04.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Sartory Billard SB04?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the Sartory Billard SB04.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Sartory Billard SB04?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Sartory Billard SB04 uses the LJP G100.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSartory Billard SB04

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

Sartory Billard SB04

MSRP $2,900

At a glance

10 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

SB0440mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

SB0440h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

SB0430m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

SB04$2,900

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

LJP G100

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$2,900

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