Patek Philippe Ref. 3445 Yellow Gold Patek Philippe, Genève, No. 1127902, case No. 324600, Ref. 3445. Made circa 1982. Fine, self-winding, water-resistant, 18K yellow gold wristwatch with date and an 18K yellow gold detachable Patek Philippe mesh bracelet. Two-body, solid, polished and brushed, stepped bezel, lapidated lugs, screwed-down case back. Satiné silver with applied yellow gold baton indexes, outer minute divisions, aperture for the date. Yellow gold baton hands. Cal. 27-460 M, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 37 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung Breguet balance spring, 18K gold rotor. Dial, case and movement signed. Diam. 35 mm. Thickness 10 mm. Approx. overall length 190 mm. Notes Production of the Ref. 3445 started in 1961.