Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the CWC Arctic Radar Automatic Diver Watch?

At MSRP the CWC Arctic Radar Automatic Diver Watch is the cheaper of the two at $1,333, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $436 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the CWC Arctic Radar Automatic Diver Watch?

The CWC Arctic Radar Automatic Diver Watch 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 Arctic Radar Automatic Diver Watch?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the CWC Arctic Radar Automatic Diver Watch.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the CWC Arctic Radar Automatic Diver Watch?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the CWC Arctic Radar Automatic Diver Watch uses the Sellita SW200-1.

Side by side

Serica Ref. 5303 Diving ChronometervsCWC Arctic Radar Automatic Diver Watch

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 Arctic Radar Automatic Diver Watch

cwc-arctic-radar-automatic-diver-watch-white-dial

MSRP $1,333

At a glance

9 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Arctic Radar Automatic Diver Watch41mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Arctic Radar Automatic Diver Watch40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Arctic Radar Automatic Diver Watch300m

MSRP

Ref. 5303 Diving Chronometer$1,768

Arctic Radar Automatic Diver Watch$1,333

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 Arctic Radar Automatic Diver Watch (White Dial)

Movement

3 specs

Caliber

M100 COSC

Sellita SW200-1

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$1,333

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