Important Contemporary Collector\'s W...
Geneva, Hotel Bristol, May 20, 1997
International Watch Co., Schaffhausen, "World Time", "Porsche Designe", Ref. 3821-001.
"World Time ", center second, waterproof, quartz titanium gentleman ' s wristwatch with date and alarm, revolving bezel bearing the names of 21 cities in the world, diurnal and nocturnal disc in 24 hours, black dial. Diam. 40 mm.