For sale is a pre-owned near mint condition 42.3mm 18 karat rose gold IWC Portuguese Perpetual Calendar. The IW5022 was originally purchased in 2017 and is accompanied by its original box and papers. The set includes the instructions, warranty card, guarantee booklet, warning sheet about settings, and capsule with additional centuries module. The IWC features a brushed rose gold case which is accented by a polished bezel and polished lugs. The case is mounted on a brown alligator Santoni strap, which is secured by a rose gold deployment clasp. The OEM strap contains some light creasing but still has lots of life left and is not in need of replacement anytime soon. The silver dial has applied polished rose gold Arabic numeral hour markers and polished rose gold hands. There are a plethora of sub-dial registers on the dial for the perpetual calendar complication, including weekday, date, month, year, power reserve, and moonphase. The movement used in the IW5022 is the IWC Calibre 51613, which features a 7-day power reserve and is on display through an exhibition caseback. The case contains virtually no signs of wear and faces up well.