Gübelin "Ipso-Matic

Gübelin "Ipso-Matic", 1950's. Very fine astronomic, centre second, self-winding, 18ct gold gentleman's wristwatch with triple date and moon phases. massive, polished, screwed back, waterproof, fluted lugs, dust protecting cap. mat silver with a " guilloché" outer ring bearing the applied gold Arabic numerals and indexes, concentric, graduation for the days of the month, apertures for the days of the week, the months and the lunations. "Dauphine" gold hands.