The Mondani Collection of Rolex Wrist...

Geneva, May 14, 2006

LOT 725

"Der Doppelchronograph" International Watch Co., Schaffhausen, "Doppelchronograph", No. 109, case No. 2661084, Ref. 3711. Made in a limited edition in the 1990s. Very fine and rare, heavy, oversized, self-winding, waterresistant, platinum gentleman's wristwatch with round button split-seconds chronograph, registers, day and date, and a stainless steel IWC bracelet.

C. Three-body, solid, polished and brushed, screwed-down case back and crown, soft iron core to provide an anti-magnetic shield, protected push-buttons, sapphire crystal. D. Blue with luminous indexes and silver Arabic numerals, outer silver minute and fifths of a second track with Arabic five minute/seconds numerals, subsidiary dials for the seconds, the 12-hour and 30-minute registers, apertures for the days of the week and the date. Luminous steel "bâton" hands. M. Cal. 79230, rhodium plated, "fausses-côtes" decoration, 29 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring, micrometer regulator. Dial, case and movement signed. Diam. 42 mm. Thickness 17 mm.