The "Vintage Serie"Patek Philippe & Cie Ref. 533Two-tone sector Dial. Made in the late 1930s. Production of this reference started in 1934. 18K yellow gold gentleman's wristwatch with two-tone sector dial, square button chronograph, 30- minute register, tachometer and an 18K yellow gold Patek Philippe buckle. Three-body case, solid, polished, flat bezel, concave lugs. Dial: Two-tone matte silver with applied yellow gold bâton indexes, subsidiary dials for the seconds and the 30-minute register, outer 1/5th seconds chronograph divisions and outermost tachometer scale. Yellow gold "feuille" hands. Movement: Caliber 13'''-130, rhodium-plated, "fausses côtes" decoration, 23 jewels, straight line lever escapement, monometallic balance, Breguet balance-spring, index regulator. Diameter 33 mm. Thickness 11 mm. Ref. 533 Production of this reference began in 1937. It is identical to ref. 130 with the exception of the bezel, which is flat, whereas ref. 130 has a concave bezel.Labels: Patek Philippe, Vintage serie