Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Geckota Workshop Jumping Hour?

At MSRP the Geckota Workshop Jumping Hour is the cheaper of the two at $399, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,369 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Geckota Workshop Jumping Hour?

The Serica Ref. 5303 Diving Chronometer wears larger at 39mm versus 37mm for the Geckota Workshop Jumping Hour — a 2mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Geckota Workshop Jumping Hour?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 50m for the Geckota Workshop Jumping Hour.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Geckota Workshop Jumping Hour?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Geckota Workshop Jumping Hour.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Geckota Workshop Jumping Hour?

The Serica Ref. 5303 Diving Chronometer runs a automatic caliber (M100 COSC), while the Geckota Workshop Jumping Hour runs a mechanical.

Side by side

Serica Ref. 5303 Diving ChronometervsGeckota Workshop Jumping Hour

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

Geckota Workshop Jumping Hour

workshop-model-1a-jumping-hour-small-seconds-watch

MSRP $399

At a glance

13 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Workshop Jumping Hour37mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Workshop Jumping Hour40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Workshop Jumping Hour50m

MSRP

Ref. 5303 Diving Chronometer$1,768

Workshop Jumping Hour$399

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Model 1A

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

—

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$399

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