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

At MSRP the Omnis Origin is the cheaper of the two at $1,043, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $725 gap before any retailer discounting.

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

The Omnis Origin 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?

The Omnis Origin 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?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Omnis Origin uses the Miyota 9015.

Side by side

Serica Ref. 5303 Diving ChronometervsOmnis Origin

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

MSRP $1,043

At a glance

14 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Origin40mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Origin48h

Water Resistance

Ref. 5303 Diving Chronometer300m

Origin—

MSRP

Ref. 5303 Diving Chronometer$1,768

Origin$1,043

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

—

Dial Color

Enamel Black

Carbon

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Miyota 9015

Power Reserve

42h

48h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$1,043

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At a glance

Full specifications

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