Patek Philippe. An 18k Gold Rectangular Wristwatch Signed Patek Philippe, Geneve, Ref. 425, Movement No. 831784, Case No. 615254, Manufactured in 1937 Cal. 9''' 90 mechanical movement, 18 jewels, silvered matte dial, applied gold baton numerals, outer railway minute divisions, subsidiary dial for constant seconds, rectangular-shaped case with curved faceted sides, dial, and movement signed, inclined faceted crystal. 43mm overall length Accompanied by the Extract from Archives