Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Omnis Origin Céramique?

At MSRP the Omnis Origin Céramique is the cheaper of the two at $819, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $949 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Omnis Origin Céramique?

The Omnis Origin Céramique wears larger at 40mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 1mm difference across the dial.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Omnis Origin Céramique?

The Omnis Origin Céramique carries a 48-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 Omnis Origin Céramique?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Omnis Origin Céramique uses the Miyota 6353A.

Side by side

Serica Ref. 5303 Diving ChronometervsOmnis Origin Céramique

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

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Serica Ref. 5303 Diving Chronometer

MSRP $1,768

See the full Ref. 5303 Diving Chronometer

Omnis Origin Céramique

MSRP $819

See the full Origin Céramique

At a glance

14 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Origin Céramique40mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Origin Céramique48h

Water Resistance

Ref. 5303 Diving Chronometer300m

Origin Céramique—

MSRP

Ref. 5303 Diving Chronometer$1,768

Origin Céramique$819

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

—

Dial Color

Enamel Black

—

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Miyota 6353A

Power Reserve

42h

48h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$819

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Serica Ref. 5303 Diving ChronometervsOmnis Origin Céramique

At a glance

Full specifications

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