8,050 CHF
Patek Philippe & Cie, Genève, “Calatrava Amagnetic”, No. 730911, case No. 310561, Ref. 2545. Production of this reference started in 1954. Very fine and rare, water-resistant, 18K yellow gold gentleman's wristwatch. three-body, solid, polished, screwed-down case back, flat bezel, concave lugs. matte silver with applied yellow gold baton indexes, auxiliary seconds dial. Yellow gold Dauphine hands. Cal. 27-400 AM, stamped with the Geneva Quality Hallmark, rhodium-plated, “fausses côtes” decoration, 18 jewels, bronze beryllium straight line lever escapement, Gyromax balance adjusted for heat, cold, isochronism and 5 positions, shock-absorber, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 31 mm. Notes The caliber 27-400 AM is equipped with a bronze-beryllium lever escapement, and is sometimes fully protected by a soft iron cap. It can withstand magnetic fields up to 450 oersteds unit of measurement of the intensity of a magnetic field.A similar watch is in "Collecting Patek Philippe Watches" by M. and O. Patrizzi, Guido Mondani Editore, Genova 2001, pp. 54-123.
Auctioneer:
Antiquorum
Date:
2003-10-11
