Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Squale 1521?

At MSRP the Squale 1521 is the cheaper of the two at $1,265, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $503 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Squale 1521?

The Squale 1521 wears larger at 42mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 3mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Squale 1521?

The Squale 1521 is rated to 500m versus 300m for the Serica Ref. 5303 Diving Chronometer.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Squale 1521?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 38 hours on the Squale 1521.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Squale 1521?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the Soprod M100 and the Squale 1521 uses the Sellita SW200-1.

Side by side

Serica Ref. 5303 Diving ChronometervsSquale 1521

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch

Serica Ref. 5303 Diving Chronometer

MSRP $1,768

See the full Ref. 5303 Diving Chronometer

Squale 1521

1521-classic-leather

MSRP $1,265

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At a glance

14 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

152142mm

Power Reserve

Ref. 5303 Diving Chronometer42h

152138h

Water Resistance

Ref. 5303 Diving Chronometer300m

1521500m

MSRP

Ref. 5303 Diving Chronometer$1,768

1521$1,265

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Yes

—

Dial Color

Enamel Black

—

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Soprod M100

Sellita SW200-1

Power Reserve

42h

38h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$1,265

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At a glance

Full specifications

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