Important Collectors’ Wristwatches, P...

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

LOT 156

"Der Doppelchronograph" International Watch Co., Schaffhausen, "Der Doppelchronograph", No. 2891912, Ref. 3713. Made in the 1990s. Very fine, self-winding, water-resistant, stainless steel gentleman's wristwatch with round button split-seconds chronograph, registers, day and date and a stainless steel IWC buckle. Accompanied by a fitted box and a certificate.

C. Two-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. Black with applied silver Arabic numerals and luminous baton and dart indexes, outer minute and 1/5th seconds divisions, subsidiary dials for the seconds, the 30-minute and 12-hour registers, apertures for the days of the week and the date. Luminous steel "lozenge" hands. M. Cal. 79230, gilt, "fausses côtes" and "oeil-deperdrix" decoration, 29 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, selfcompensating flat balance spring, micrometer regulator. Dial, case and movement signed. Diam. 42 mm. Thickness 16.5 mm.