Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the POLPORA Emalie Ametyst?

At MSRP the Serica Ref. 5303 Diving Chronometer is the cheaper of the two at $1,768, against $4,790 for the POLPORA Emalie Ametyst — a $3,022 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the POLPORA Emalie Ametyst?

The POLPORA Emalie Ametyst wears larger at 40mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the POLPORA Emalie Ametyst?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 50m for the POLPORA Emalie Ametyst.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the POLPORA Emalie Ametyst?

The POLPORA Emalie Ametyst carries a 56-hour power reserve against 42 hours on the Serica Ref. 5303 Diving Chronometer.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the POLPORA Emalie Ametyst?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the POLPORA Emalie Ametyst uses the Sellita SW300-1.

Side by side

Serica Ref. 5303 Diving ChronometervsPOLPORA POLPORA Emalie Ametyst

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

POLPORA POLPORA Emalie Ametyst

polpora-emalie-ametyst

MSRP $4,790

At a glance

12 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

POLPORA Emalie Ametyst40mm

Power Reserve

Ref. 5303 Diving Chronometer42h

POLPORA Emalie Ametyst56h

Water Resistance

Ref. 5303 Diving Chronometer300m

POLPORA Emalie Ametyst50m

MSRP

Ref. 5303 Diving Chronometer$1,768

POLPORA Emalie Ametyst$4,790

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Black

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Sellita SW300-1

Power Reserve

42h

56h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$4,790

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