An 18 Karat Rose Gold Ref. 2437 Wristwatch, Patek Philippe, 30.50 x 30.50 mm case dimensions exclusive of lugs, matte silvered dial signed PATEK PHILIPPE, applied rose Arabic and block numerals, square case with fluted outer band and graduated lugs, snap on case back, manual wind 18 jewel movement adjusted to heat, cold, isochronism and five positions with fausses ctes finish signed PATEK PHILIPPE, black lizard strap, later gold tone tang buckle.Movement number: 954143.Case number: 657661.