Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Smith & Bradley Draper Auto?

At MSRP the Smith & Bradley Draper Auto is the cheaper of the two at $989, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $779 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Smith & Bradley Draper Auto?

The Smith & Bradley Draper Auto 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 Smith & Bradley Draper Auto?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 100m for the Smith & Bradley Draper Auto.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Smith & Bradley Draper Auto?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 38 hours on the Smith & Bradley Draper Auto.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Smith & Bradley Draper Auto?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Smith & Bradley Draper Auto uses the Sellita SW200.

Side by side

Serica Ref. 5303 Diving ChronometervsSmith & Bradley Draper Auto

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

Smith & Bradley Draper Auto

draper-automatic-watch

MSRP $989

At a glance

12 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Draper Auto42mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Draper Auto38h

Water Resistance

Ref. 5303 Diving Chronometer300m

Draper Auto100m

MSRP

Ref. 5303 Diving Chronometer$1,768

Draper Auto$989

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Enamel Black

Black

Lume

Super-LumiNova

Superluminova

Movement

3 specs

Caliber

M100 COSC

Sellita SW200

Power Reserve

42h

38h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$989

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