Lot Essay
                                With Patek Philippe Extract from the Archives confirming production of the present watch in 1972 and its subsequent sale on 9 October 1972. 
Reference 3580A was introduced into the market around 1972 and is the only stainless steel back-wound wristwatch ever made by Patek Philippe. Furthermore, the present reference 3580 is a perfect example of Patek Philippe's 1970's design.
                            
                        Reference 3580A was introduced into the market around 1972 and is the only stainless steel back-wound wristwatch ever made by Patek Philippe. Furthermore, the present reference 3580 is a perfect example of Patek Philippe's 1970's design.
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