An 18ct. gold, diamond-set, quartz "Nautilus" wristwatch, by Patek Philippe

An 18ct. gold, diamond-set, quartz "Nautilus" wristwatch, by Patek Philippe
The reeded black dial with single-cut diamond hour markers, in cushion shaped case with integral fancy panel link bracelet and deployant clasp, convention marks, case 26mm.
Dial and clasp signed Patek Philippe