Only 250 examples of this model are in circulation, released to celebrate 150 years of IWC history (established in 1868).
Included with the watch is all the paperwork from IWC, it also has a "150 Years" special edition box, however, it is for the Portofino piece not the Portuguese.
Regarding the condition of the watch, it is outstanding and carefully worn throughout the years. Pictures are part of the description so please refer to the pictures in determining the condition, pictures are of the exact watch being offered.
Case is made of 18k rose gold, a combination of satin and high-polish finishes. Mounted atop the case is a high-polish finished 18k rose gold bezel. Currently mounted on the watch is an IWC Santoni black leather strap (80% condition) and that is paired with a an IWC 18k rose gold deployment clasp.
Functions are displayed on a glossy white dial that is accompanied by blued hands and Arabic numeral hour markers. Functions include hours, minutes, sub-seconds, power reserve indicator and of course a perpetual calendar.
Service history is unknown, however, the watch passed through our in-house service center and passed the quality control tests which implies that it is running up to manufacturer's standards. The watch will undergo another set of quality control tests before being shipped. A full one year warranty and certificate of authenticity will be issued.