Patek Philippe. A rare steel anti-magnetic wristwatch
Signed Patek Philippe & Co, ref. 3417, movement no. 730072, case no. 2618144, 1960s
The nickel plated movement jewelled to the centre, with gyromax balance, adjusted to heat, cold, isochronism and to five positions, Calibre 27-AM 400, with anti-magnetic ring around the movement and anti-magnetic dust cover, the matt silvered dial with raised baton numerals, subsidiary seconds, in circular case with downturned lugs, screwed back, maker's black leather strap and associated steel buckle, case, dial and movement signed
35 mm. diam.