29,900 CHF
Strömgren and Olsen, Cornelius Knudsen, Kopenhavn, No. 54970, circa 1920.Very interesting and rare silver keyless desk chronometer with mean and sidereal time indications, duo-decimal and 24-hour displays in regulator type dial. Four-body, "bassine et filets", polished, solid, silver, hinged cuvette. Notes A very rare watch by the talented Danish watchmakers Svante Elis Strömgren, Jens Olsen, and Cornelius Knudsen. The first two obtained Danish patent No. 22822 of February 11, 1918, for their invention.Bibliography: Jendritzky, Hans and Dittrich, Herbert, "Eine Sternzeituhr "Patent Strömgren og Olsen", Klassik Uhren, January 1995, p. 56, and February 1995, p. 72. Sidereal timeis the time it takes the earth to make one full revolution around its axis. Since in practice, it can be measured as the Earth's rotation with respect to distant celestial objects it is called sidereal or star time (sider = star in Latin). The sidereal day is 23 hours 56 minutes and 41 seconds. There is one more day in a sidereal year than in a solar year.The Watch GraveSome time ago, I had the visit of a VIP of the Swiss watch industry together with his charming wife. After an interesting conversation about Breguet and other great makers, and between 2 glasses of mineral water (he doesn't drink coffee or wine) he asked me: "Tell me, Professor, which is in your opinion the best Swiss watch today?" "I had no problem in answering that question. "In my view it is the Rolex and the Swatch",
Auctioneer:
Antiquorum
Date:
2001-11-11