11,500 CHF
Heuer, made for the French market, 1950's. Very fine and rare, 18K pink gold gentleman's wristwatch with square button split-second chronograph, register, tachometer and telemeter. massive, polished, triangular lugs. black with painted Arabic numerals and indexes + auxiliary seconds and 30 minutes register dials, outer tachometer and telemeter graduations. "Baton" pink gold hands. Notes Split second chronograph, Swiss patent No. 260791 Split second chronographs exist only with either a minute counter or with minute and hour counters. Georges Dube), and Rene Schaldenbrand of La Chaux-de-Fonds, Switzerland, patented (No. 260791) a simplified form of the split second chronograph, which had two stoppable chronograph hands, but they were visibly connected to each other by a fine coil spring. The split hand could be stopped only as long as the button in the crown was held clown; as soon it was released, the hand would immediately spring after the moving chronograph hand. ht this system, only events of no more than 60 seconds ' duration could be timed. These double-hand chronographs had a minute counter iii conjunction with the chronograph hands. Such chronographs were described and illustrated by Gerd-R. Lang and Reinhard Meis in Chronograph Wristwatclae.s to Stop Time, Schiffer Publishing Ltd, pp. 21, 52-53, and illustrated p. 175.
Auctioneer:
Antiquorum
Date:
1997-04-12
