Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Geckota Tourbillon Hand Wound?

At MSRP the Geckota Tourbillon Hand Wound is the cheaper of the two at $1,299, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $469 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Geckota Tourbillon Hand Wound?

The Geckota Tourbillon Hand Wound 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 Geckota Tourbillon Hand Wound?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Geckota Tourbillon Hand Wound.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Geckota Tourbillon Hand Wound?

The Serica Ref. 5303 Diving Chronometer runs a automatic caliber (M100 COSC), while the Geckota Tourbillon Hand Wound runs a manual.

Side by side

Serica Ref. 5303 Diving ChronometervsGeckota Tourbillon Hand Wound

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 Tourbillon Hand Wound

tourbillon-hand-wound-watch-gold

MSRP $1,299

At a glance

13 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Tourbillon Hand Wound40mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Tourbillon Hand Wound40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Tourbillon Hand Wound—

MSRP

Ref. 5303 Diving Chronometer$1,768

Tourbillon Hand Wound$1,299

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Gold

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

M100 COSC

—

Type

Automatic

Manual

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$1,299

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