1970 Patek Philippe Vintage Mens Handwound Square Dress Watch, Ref. 3430 - 18K Gold Semi Quick-Setting Date after patenting their Oyster case

after patenting their Oyster case and in the midst of their high output of utilitarian sports watches

It is 100% Cartier down to its original gold case screws which are often lost and its original Cartier band and buckle

previously equipped with what appears to be an aftermarket buckle done in an Omega style

Case markings (outside): Personalized 'To Prof

1970 Patek Philippe Vintage Mens Handwound Square Dress Watch, Ref. 3430 - 18K Gold Semi Quick-Setting Date after patenting their Oyster caseWe are pleased to offer the very fine and pleasing Patek Philippe mens ref. 3430 square watch showcased in today's offering. With its understated silver face and timeless angular case, it showcases a classic and elegant Patek style. Its angular case has an extra slim profile from the side. The ref. 3430 was introduced to the market in 1958 and stayed in production until the early 1970s. Powering the watch is its illustrious Patek Philippe 10 ligne