Patek Philippe Pink Gold Ref. 3998R Patek Philippe, Genève, Calatrava, movement No. 3008985, case No. 4040866, Ref. 3998R. Sold on March 2001. Very fine, center seconds, self-winding, water-resistant, 18K pink gold wristwatch with date and an 18K pink gold Patek Philippe buckle. Accompanied by a fitted box and Certificate of Origin. Two-body, solid, polished and brushed, screwed-down case back, concave lugs, sapphire crystal. Satiné silver with applied faceted pink gold baton indexes, aperture for the date, outer engraved minute division. Pink gold dauphine hands. Cal. 315 SC, rhodium-plated, fausses cotes decoration, 30 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating flat balance spring, index regulator, 21K gold rotor. Dial, case and movement signed. Diam. 34 mm. Thickness 7.5 mm.