Patek Philippe 3448, The Result of COVID-19 Helps to Create the next edition in 'The Artist' series — Sunflowerman
Found: A Patek Philippe 3448 White Gold At Sotheby's New York (Or Is It A 3450 Yellow Gold?) – The Story Of The Convertible Perpetual Calendar - Hodinkee
![Reference 3448 A yellow gold perpetual calendar wristwatch with moon phases Circa 1971 | Important Watches: Part I | 2023 | Sotheby's Reference 3448 A yellow gold perpetual calendar wristwatch with moon phases Circa 1971 | Important Watches: Part I | 2023 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/3038edf/2147483647/strip/true/crop/2000x2000+0+0/resize/800x800!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fwebnative%2Fimages%2Fa6%2Fbc%2F28ccb66c4cde8cf0c6f8b7c6f42d%2Fge2304-ct9hh-t1-01.jpg)