Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the CWC RAF Pilots Quartz Chronograph?

At MSRP the CWC RAF Pilots Quartz Chronograph is the cheaper of the two at $499, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,269 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the CWC RAF Pilots Quartz Chronograph?

The CWC RAF Pilots Quartz Chronograph wears larger at 40mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the CWC RAF Pilots Quartz Chronograph?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 100m for the CWC RAF Pilots Quartz Chronograph.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the CWC RAF Pilots Quartz Chronograph?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the CWC RAF Pilots Quartz Chronograph.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the CWC RAF Pilots Quartz Chronograph?

The Serica Ref. 5303 Diving Chronometer runs a automatic caliber (M100 COSC), while the CWC RAF Pilots Quartz Chronograph runs a quartz (Ronda 5030).

Side by side

Serica Ref. 5303 Diving ChronometervsCWC RAF Pilots Quartz Chronograph

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

CWC RAF Pilots Quartz Chronograph

cwc-quartz-chronograph-watch

MSRP $499

At a glance

13 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

RAF Pilots Quartz Chronograph40mm

Power Reserve

Ref. 5303 Diving Chronometer42h

RAF Pilots Quartz Chronograph40h

Water Resistance

Ref. 5303 Diving Chronometer300m

RAF Pilots Quartz Chronograph100m

MSRP

Ref. 5303 Diving Chronometer$1,768

RAF Pilots Quartz Chronograph$499

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

CWC RAF Pilots Quartz Chronograph

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

M100 COSC

Ronda 5030

Type

Automatic

Quartz

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$499

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