Grand Complication by Patek Philippe. Odd enough, yellow gold is the rarest material used for the ref. 5980🏅 #amsterdamvintagewatches #patekphilippe #5970 #5970J #grandcomplication #perpetualcalendar #patek5970 (bij Amsterdam Vintage Watches) https://www.instagram.com/p/B_NM5ECn7g-/?igshid=1tzcpi230q9iq














