Important Contemporary Collector\'s W...
Geneva, Hotel Bristol, May 20, 1997
International Watch Co., Schaffhausen, "World Time", "Porsche Designe", Ref.
"World Time", center second, waterproof, yellow gold and titanium quartz gentleman' s wristwatch with date and alarm and titanium integrated bracelet, revolving gold bezel bearing the names of 21 cities in the world, diurnal and nocturnal disc in 24 hours, black dial. Diam. 40 mm.