Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Pagani Design PD-1821?

At MSRP the Pagani Design PD-1821 is the cheaper of the two at $137, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,631 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Pagani Design PD-1821?

The Pagani Design PD-1821 wears larger at 41mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 2mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Pagani Design PD-1821?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 100m for the Pagani Design PD-1821.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Pagani Design PD-1821?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Pagani Design PD-1821.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Pagani Design PD-1821?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Pagani Design PD-1821 uses the Miyota 8215.

Side by side

Serica Ref. 5303 Diving ChronometervsPagani Design PD-1821

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

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Pagani Design PD-1821

pd-1821

MSRP $137

At a glance

11 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

PD-182141mm

Power Reserve

Ref. 5303 Diving Chronometer42h

PD-182140h

Water Resistance

Ref. 5303 Diving Chronometer300m

PD-1821100m

MSRP

Ref. 5303 Diving Chronometer$1,768

PD-1821$137

Full specifications

Case

5 specs

Diameter

39mm

41mm

Thickness

12.2mm

11mm

Lug-to-Lug

46.5mm

46mm

Lug Width

20mm

21mm

Water Resistance

300m

100m

Crystal & Dial

2 specs

Dial Color

Enamel Black

Black

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Miyota 8215

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$137

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