Patek Philippe, Geneve, Arabic numerals, large outer seconds ring, stainless steel mask inscribed Naviquartz, signed rectangular textured black metal water resistant type case, 20cm x 14cm, with original Patek Philippe box. " /> A patinated metal and steel centre seconds timepiece, Patek Philippe, "Naviquartz", circa 1970, circular black dial signed <I>Patek Philippe, Geneve,</I> Arabic numerals, large outer seconds ring, stainless steel mask inscribed <I>Naviquartz</I>, signed rectangular textured black metal water resistant type case, 20cm x 14cm, with original Patek Philippe box. | Christie's