Patek Philippe 3940J 1st Series, Perpetual Calendar Watch Circa 1985 Price on Request 5mm diameter Baumgartner-fabricated case was

5mm diameter Baumgartner-fabricated case was oversized for the era

Made in 18 Yellow gold case

The watch is fitted with a E23 caliber 7-jewel movement

While the reference 96 was 30

500 pieces were manufactured in total with two different types of dials

Patek Philippe 3940J 1st Series, Perpetual Calendar Watch Circa 1985 Price on Request 5mm diameter Baumgartner-fabricated case wasThis 3940J 1st Series was manufactured in 1985 and sold at the Patek Philippe Solon in Geneva January 15 1985. This is the launch of the new Ultra Thin 240 Q Caliber movement for the Perpetual Calendar. The watch features an automatic movement with perpetual calendar, day, month, date, moon phase, Silver white dial with applied gold hour markers. and new Patek alligator strap with original 18K yellow gold Patek buckle. Further interchangeable see