Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Mazzucato RIM Monza?

At MSRP the Serica Ref. 5303 Diving Chronometer is the cheaper of the two at $1,768, against $1,800 for the Mazzucato RIM Monza — a $32 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Mazzucato RIM Monza?

The Mazzucato RIM Monza wears larger at 48mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 9mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Mazzucato RIM Monza?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 50m for the Mazzucato RIM Monza.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Mazzucato RIM Monza?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Mazzucato RIM Monza uses the Miyota 9015.

Side by side

Serica Ref. 5303 Diving ChronometervsMazzucato RIM Monza

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

Add a watch

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Mazzucato RIM Monza

rim-monza-o48mm-green

MSRP $1,800

At a glance

15 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

RIM Monza48mm

Power Reserve

Ref. 5303 Diving Chronometer42h

RIM Monza—

Water Resistance

Ref. 5303 Diving Chronometer300m

RIM Monza50m

MSRP

Ref. 5303 Diving Chronometer$1,768

RIM Monza$1,800

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal

Sapphire

AR Coating

Yes

Inner

Dial Color

Enamel Black

—

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Miyota 9015

Power Reserve

42h

—

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$1,800

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At a glance

Full specifications

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