Wristwatch: very early wanted Patek Philippe Nautilus... Lot 4265

Wristwatch: very early wanted Patek Philippe Nautilus Jumbo 3700 with rare double signature PP & Beyer and tropical dial, from original owner with original box, Geneva ca. 1977 Ca. Ø42mm, stainless steel, Ref.3700/1, case number 532652, movement number 1302563, automatic movement calibre 28-255C, date, extremely rare, original tropical dial with double signature Patek Philippe and Beyer, luminous hands, stainless steel bracelet with felt clasp, black "Nautilus" box, in well-kept used condition, delivery from original owner, in working order. The watch is a so-called safe treasure and has not been serviced for a very long time. Therefore, a service is urgently necessary, especially for new case washers.