Patek Philippe Calatrava 3428

Reference 3428 | A yellow gold automatic wristwatch with black dial, Circa 1961

Dial: refinished black dial Caliber: cal. 27-460 automatic, 30 jewels Movement number: 1'110'526 Case: 18k yellow gold, engraved screw down case back Case number: 2'614'469 Closure: 18k yellow gold Patek Philippe Gay Frères bracelet with clasp Size: 35.5 mm diameter Signed: case, dial and movement Box: no Papers: yes Accessories: Patek Philippe Certificate of Origin dated October 2nd, 1961 stating silver Enamel dialReference 3428 | A yellow gold automatic wristwatch with black dial, Circa 1961 Fine Watches **Please note that Patek Philippe will not issue an Extract from the Archives for this timepiece.** **The Certificate says that the dial is silver with enamel backdrop, and has 37 jewels.** Case: The case is in good condition with some visible signs of wear and use consistent with age. There are some scratches and scuffs to the case and case back. There are visible scratches and scuffs to the case and lugs, some visible to the naked eye. The crystal has numerous visible scratches throughout. The bracelet and folding clasp are in commensurate condition with some scratches throughout. The bracelet has been previously sized near the end of the 12 o'clock side. The case back is engraved 'Sept 14, 1970 Raymond-Marie Kosch'. The gold marks are crisp on the folding clasp. The gold has started to patina slightly. Dial: The refinished black dial is intact. Movement: The movement is running at time of cataloging, however it was not tested for the accuracy of time or duration of the power reserve and may need service at the buyer's discretion. Please note that Sotheby's does not guarantee the future working of the movement.