Patek Philippe 3445G Calatrava Watch circa 1968

Introduction:This 3445G vintage Patek Philippe Calatrava watch features automatic movement, sub-second dial, date, screw down back case, new Patek alligator strap with original style 18K white gold Patek buckle.  With a 27" 460 M caliber movement #1126400, 18K white gold case #324252 and a 3445 silver dial with raised gold markers. Date & Paperwork: The watch was made in 1968, confirmed with an extract from the archives confirming its date of manufacture and further sale.  Additionally, the watch comes with a one year movement guarantee. Essay: Patek Philippe's first calendar watch made in a series was in production from 1961 to 1981. This model was made in yellow, rose, white gold and platinum.  It was fitted with a new caliber, 27-460 M movement. Specifications: Reference Number: 3445G Year: 1968 Movement: Automatic Case Diameter: 35mm Dial Color: Silver Functions: Sub-Seconds, Date Thickness: 10mm