Side by side
Serica Ref. 5303 Diving ChronometervsCWC RN81 Clearance Diver Automatic Watch
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
RN81 Clearance Diver Automatic Watch41mm
Power Reserve
Ref. 5303 Diving Chronometer42h
RN81 Clearance Diver Automatic Watch40h
Water Resistance
Ref. 5303 Diving Chronometer300m
RN81 Clearance Diver Automatic Watch300m
MSRP
Ref. 5303 Diving Chronometer$1,768
RN81 Clearance Diver Automatic Watch$1,875
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 RN81 Clearance Diver Automatic Watch
Movement
3 specsCaliber
M100 COSC
Sellita SW200-1
Power Reserve
42h
40h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$1,875
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