Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Geckota Pioneer Graphite Special Edition?

At MSRP the Geckota Pioneer Graphite Special Edition 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 Pioneer Graphite Special Edition?

The Geckota Pioneer Graphite Special Edition wears larger at 41.5mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 2.5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Geckota Pioneer Graphite Special Edition?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 100m for the Geckota Pioneer Graphite Special Edition.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Geckota Pioneer Graphite Special Edition?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Geckota Pioneer Graphite Special Edition.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Geckota Pioneer Graphite Special Edition?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Geckota Pioneer Graphite Special Edition uses the NH38.

Side by side

Serica Ref. 5303 Diving ChronometervsGeckota Pioneer Graphite Special Edition

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 Pioneer Graphite Special Edition

pioneer-graphite-special-edition-blue

MSRP $399

At a glance

14 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Pioneer Graphite Special Edition41.5mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Pioneer Graphite Special Edition40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Pioneer Graphite Special Edition100m

MSRP

Ref. 5303 Diving Chronometer$1,768

Pioneer Graphite Special Edition$399

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Blue

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

NH38

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$399

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