Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the CWC Quartz Divers Watch Mk.2 Polished Case?

At MSRP the CWC Quartz Divers Watch Mk.2 Polished Case is the cheaper of the two at $583, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,186 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the CWC Quartz Divers Watch Mk.2 Polished Case?

The CWC Quartz Divers Watch Mk.2 Polished Case wears larger at 41mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 2mm difference across the dial.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the CWC Quartz Divers Watch Mk.2 Polished Case?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the CWC Quartz Divers Watch Mk.2 Polished Case.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the CWC Quartz Divers Watch Mk.2 Polished Case?

The Serica Ref. 5303 Diving Chronometer runs a automatic caliber (M100 COSC), while the CWC Quartz Divers Watch Mk.2 Polished Case runs a quartz (Ronda 517).

Side by side

Serica Ref. 5303 Diving ChronometervsCWC Quartz Divers Watch Mk.2 Polished Case

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 Quartz Divers Watch Mk.2 Polished Case

cwc-royal-navy-divers-quartz-watch-mk-2

MSRP $583

At a glance

10 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Quartz Divers Watch Mk.2 Polished Case41mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Quartz Divers Watch Mk.2 Polished Case40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Quartz Divers Watch Mk.2 Polished Case300m

MSRP

Ref. 5303 Diving Chronometer$1,768

Quartz Divers Watch Mk.2 Polished Case$583

Full specifications

Case

3 specs

Diameter

39mm

41mm

Thickness

12.2mm

12mm

Lug-to-Lug

46.5mm

47mm

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

CWC Quartz Divers Watch Mk.2 Polished Case (RN300-P QS120)

Movement

4 specs

Caliber

M100 COSC

Ronda 517

Type

Automatic

Quartz

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$583

Follow this matchup

Get a note when Serica Ref. 5303 Diving Chronometer vs CWC Quartz Divers Watch Mk.2 Polished Case gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring