Side by side
Serica Ref. 5303 Diving ChronometervsCWC Quartz Divers Watch Mk.2 Day/Date Polished Case
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
Quartz Divers Watch Mk.2 Day/Date Polished Case41mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Quartz Divers Watch Mk.2 Day/Date Polished Case40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Quartz Divers Watch Mk.2 Day/Date Polished Case300m
MSRP
Ref. 5303 Diving Chronometer$1,768
Quartz Divers Watch Mk.2 Day/Date Polished Case$608
Full specifications
Case
3 specsDiameter
39mm
41mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
47mm
Crystal & Dial
2 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
CWC Quartz Divers Watch Mk.2 Day/Date Polished Case (RN300-P QS120-DD)
Movement
4 specsCaliber
M100 COSC
Ronda 517
Type
Automatic
Quartz
Power Reserve
42h
40h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$608
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