Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Straton Daily Driver?

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

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Straton Daily Driver?

The Straton Daily Driver 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 Straton Daily Driver?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 200m for the Straton Daily Driver.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Straton Daily Driver?

The Serica Ref. 5303 Diving Chronometer runs a automatic caliber (M100 COSC), while the Straton Daily Driver runs a quartz (Miyota 6S21).

Side by side

Serica Ref. 5303 Diving ChronometervsStraton Straton Daily Driver

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

Straton Straton Daily Driver

straton-daily-driver

MSRP $299

At a glance

21 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Straton Daily Driver44mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Straton Daily Driver—

Water Resistance

Ref. 5303 Diving Chronometer300m

Straton Daily Driver200m

MSRP

Ref. 5303 Diving Chronometer$1,768

Straton Daily Driver$299

Full specifications

Case

9 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Yes

Dial Color

Enamel Black

—

Indices

Applied

—

Lume

Super-LumiNova

None

Movement

6 specs

Caliber

M100 COSC

Miyota 6S21

Type

Automatic

Quartz

Beat Rate

28,800 vph

0 vph

Power Reserve

42h

Jewels

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$299

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