Patek Philippe. A fine and rare large 18K pink gold wristwatch

Patek Philippe. A fine and rare large 18K pink gold wristwatch
Signed Patek Philippe, Genève, Calatrava model, ref. 570, movement no. 723'301, case no. 306'431, manufactured in 1954
Cal. 12-400 mechanical movement stamped twice with the Geneva seal, 18 jewels, silvered matte dial, applied pink gold baton numerals, pink gold dauphine hands, subsidiary seconds, large circular case, flat bezel, snap on back, associated gilt buckle, case, dial and movement signed
35.3 mm. diam.