IWC, Portugieser Perpetual Calendar

Case size: 42 mm
Material: 18K white gold
Movement: automatic, caliber 51610
Year: circa 2007
Crystal: sapphire crystal
Bracelet: leather strap, folding clasp in 18K gold
Reference number: 5022
Serial number: 2.706.975
Case number: 3.178.057
Accompanied by: certificate, box, paper box

Please keep in mind that an overhaul might be needed, since no service history is available.