91,500 CHF
Rolex Oyster Chronomètre, "Centregraph Observatory", Ref. 3346. Manufactured in the 1930s. Very fine and important, water-resistant, center-seconds, stainless steel wristwatch with single button chronograph and 24-hour indication. three-body, polished and brushed, screwed-down case back and crown, fluted and revolving bezel with red graduations for 60 seconds. matte silver with radium-coated Roman numerals and dot indexes on a polished gold ring, concentric, the 24 hours in red Arabic numerals. Radium-coated "Skeleton" hands. Notes Produced in stainless steel only, in fewer than 50 examples, the Centregraph, like the Zerograph, is a high-precision instrument able to calculate intermediary consecutive times. It is, for example, useful when it is necessary to stop, go back to zero and restart the second hand,in one single operation, for sports events, automobile, motorcycle, or bicycle racing, or to calculate production times in manufacturing. A similar watch is published in "Collecting Rolex Wristwatches", by Osvaldo Patrizzi, Guido Mondani Editore, Genova 2001, p. 482.
Auctioneer:
Antiquorum
Date:
2004-04-24
