Add watches below to compare against your IWC IW503703 Portugieser Perpetual Calendar 44 18K White Gold Blue Dial. 3 more slots available — add or remove anything below.

IWC
REF IW503703
Stock #73614
$41,500
Like New
Yes
Yes
—
44.4mm
Automatic
White Gold
calf leather
blue
14.9mm
50m
Perpetual Calendar, Moonphase
Portugieser
—