IWC Portugieser Ewiger Kalender with moonphases, Ref. IW502213. Wrist watch. Gold 18K. Automatic-movement, calibre 51610. Movement no. 2965402. Serial no. 3178435. New leatherband with original folding clasp in gold 18K. Very good condition, light signs of wear on case. Fully serviced by Juwelier Kutter 1825 in Stuttgart, 10/2021 (2 years warranty). Box, papers and proof of service enclosed, bought 07/2007 at Gioielleria Gerber in Ascona, Switzerland. Purchase price at the time: 35.300,- Swiss Franc. Diameter ca. 42mm (measured without crown).