Platinum Chronometer no. -

Case: platinum, 44 mm diameter Dial: silvered dial with raised platinum chapters, subsidiary seconds, platinum hands Movement: SN; 860168, cal. 17 ligne (in all probability), nickel lever movement, 18 jewels, stamped twice with Poincon de Geneve quality seals Provenance: 1938 - Niton, Geneve (still validating, ebauche and/or finished by Niton, Piaget, CH Meylan or ?) 1938 - Patek Philippe, Geneve 1986 - Christie's, New York 2003 - Antiquorum, Zurich Beyer Coll. Christie's, New York, June 17, 1986, Lot 263, An Art Deco Platinum open face dress watch, signed Patek Philippe, & Co., Geneva, No. 860168. With nickel 18 jewel lever movement with Geneva Observatory Seal, signed silvered dial with raised platinum chapters, subsidiary seconds, platinum hands, within a plain platinum case, 44 mm. diameter.Two Tone Gold Openface Dress Watch, Patek Philippe & co., Geneve, No. 860192 Antiquorum, November 16, 2003, Lot 114, Patek Philippe & Cie., Geneve, No. 860168, case No. 417746, Manufactured in 1937. Very fine and rare, Art Deco, platinum keyless slim dress watch. Accompanied by the Extract from the Archives. Case. three-piece "bassine" brushed. Dial Two-tone silver with applied white gold Arabic numerals, baton quarters, outer minute track. White gold "feuilles" hands. Movement 35 mm. (15 1/2 ligne), nickel, "fausses cotes" decoration, with the Geneva Quality hallmark, 18 jewels, straight line lever escapement, cut-bimetallic compensation balance with blued steel flat balance spring. Dial, case and movement signed. Case diameter 45 mm.