A very fine and very rare stainless steel manual-winding wristwatch ref.2509.
With Patek Philippe Extract from the Archives confirming production of this watch with lapped hour markers in 1960 and its subsequent sale on October 18th., 1960.
Extract from the Archives
Specialized in vintage Patek Philippe watches “ONbeHALF Co., Ltd.”
Aspa Nihonbashi, 2-1-1 NIhonbashi Hongoku-cho, Chuo-ku, Tokyo,103-0021, Japan Onbehalf co., ltd.
tel. +81-3-3548-9188 fax. +81-3-3548-9189 mobile. +81-80-5681-8016