Side by side
Serica Ref. 5303 Diving ChronometervsCWC RN Automatic Divers Watch Mk.2
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
RN Automatic Divers Watch Mk.241mm
Power Reserve
Ref. 5303 Diving Chronometer42h
RN Automatic Divers Watch Mk.240h
Water Resistance
Ref. 5303 Diving Chronometer300m
RN Automatic Divers Watch Mk.2300m
MSRP
Ref. 5303 Diving Chronometer$1,768
RN Automatic Divers Watch Mk.2$1,249
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 RN Automatic Divers Watch Mk.2, Stainless Steel (RN300-MT AS120)
Movement
3 specsCaliber
M100 COSC
Sellita SW200-1
Power Reserve
42h
40h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$1,249
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