Patek Philippe Calatrava 570A HP

Brand Patek Philippe, Geneva Model so-called ‘Grande Calatrava’ Year circa 1942 Reference 570 A HP (Heures Penchées or leaning hours) (1st series) Movement No. 921 657 Calibre 12-120, manual-winding, 18 jewels Case No. 507 747 (by Georges Croisier, Geneva) Material/s stainless steel Bracelet leather strap Buckle white gold (18k) pin-buckle, signed Dimensions Ø 37 mm. Thickness 9.5 mm. Signature dial, case and movement Accessories Extract from the Archives Patek Philippe Ref. 570 A HP (Heures Penchées or leaning hours) (1st series), ‘Calatrava’-type case, silver dial, ‘Breguet’ Arabic numerals; nicknamed ‘Grande Calatrava’ by collectors; stainless steel -- A large ‘Calatrava’, with silver dial and ‘Breguet’ Arabic numerals, only one known. -- Stainless steel, manual-winding, round-shaped, large gentleman’s wristwatch, with subsidiary seconds at 6 o’clock and silver dial with ‘Breguet’ Arabic numerals. -- Case: three-piece, polished and satin-finished, right-angle bezel, ‘tortoise’-shaped concave lugs, snap-on case-back; polished crown. Dial: silver colour, with stainless steel applied suspended ‘Breguet’ Arabic numerals, external minute track divided five by five with “perlé” beaded dots; stainless steel ‘Feuille’ leaf-shaped hands. Movement: calibre 12-120, manual-winding, 18 jewels, rhodium-plated with ‘fausses côtes’ decoration, going barrel, straight-line lever escapement, cut bimetallic compensated balance, blued steel hairspring with terminal curve, polished steel index-regulator with spring and micrometric screw. -- The Extract from the Archives, dated May 14, 2013, mentions that this watch was made in 1942 and sold on May 21, 1942.