Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Whitby Watch Co. Alpine Automatic Dark Side?

At MSRP the Whitby Watch Co. Alpine Automatic Dark Side is the cheaper of the two at $859, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $909 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Whitby Watch Co. Alpine Automatic Dark Side?

The Whitby Watch Co. Alpine Automatic Dark Side wears larger at 44mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Whitby Watch Co. Alpine Automatic Dark Side?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 200m for the Whitby Watch Co. Alpine Automatic Dark Side.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Whitby Watch Co. Alpine Automatic Dark Side?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Whitby Watch Co. Alpine Automatic Dark Side.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Whitby Watch Co. Alpine Automatic Dark Side?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Whitby Watch Co. Alpine Automatic Dark Side uses the Miyota 9015.

Side by side

Serica Ref. 5303 Diving ChronometervsWhitby Watch Co. Alpine Automatic Dark Side

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

Whitby Watch Co.Alpine Automatic Dark Side

MSRP $859

See the full Alpine Automatic Dark Side

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At a glance

13 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Alpine Automatic Dark Side44mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Alpine Automatic Dark Side40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Alpine Automatic Dark Side200m

MSRP

Ref. 5303 Diving Chronometer$1,768

Alpine Automatic Dark Side$859

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

—

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Miyota 9015

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$859

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Serica Ref. 5303 Diving ChronometervsWhitby Watch Co. Alpine Automatic Dark Side

At a glance

Full specifications

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