Important Collectors’ Wristwatches, P...

Geneva, Mandarin Oriental Hotel Du Rhône, May 13, 2007

LOT 546

"Electronic Master Clock & Slave" Patek Philippe, Genève, Model L4031. Made circa 1975. Very fine, Electronic Center Seconds Master Clock and Slave Patek Philippe "Naviquartz" electric center seconds clock. Master:

C. Rectangular with two handles, wood-effect sides. D. Black with Arabic numerals, outer minute divisions, outer Arabic five second numerals and divisions, brushed fascia with buttons for adjusting the 1/10 and 1/1000 seconds. White "baton" hands. M. Electronic, a very powerful Master Clock System capable of controlling an almost unlimited number of ?slave? clocks and can be regulated to 1/1000th of a second. Slave: Patek Philippe, Genève, model E 1200, ?Naviquartz?, electronic, center-seconds chronometer, in original mahogany fitted box. C. Chromium-plated bezel. D. Black, with Arabic numerals, outer minutes divisions, outer seconds ring with baton markers and Arabic five second numerals. White painted 'bâton'hands. Matte steel dial-plate. M. Electronic, connected directly to the master clock. Dial and case signed. Master Clock Dim. 42.5 x 23 x 13 cm. Slave Dim. 20 x 14 cm. From the Collection of a Spanish Gentleman