Patek Philippe: A 1930's steel and pink gold openface keyless dresswatch in plain case with engraved presentation to the reverse, the brushed silvered dial with raised Breguet numerals and subsidiary seconds, the snap-on back with makers mark No.615384, the signed movement jewelled to the centre with 18 jewels, the bi-metallic balance with micrometer regulation, adjusted to heat, cold, isochronism and to 5 positions, No.860271