Important Collectors' Wristwatches, P...

New York, Jun 11, 2009

LOT 222

Challenge Chrono Cvstos, Geneve, "Challenge-R 50, Chronograph Automatic," No. 125 ST. Made circa 2007. Fine and unusual, large, curved tonneau-shaped, self-winding, water-resistant, stainless steel wristwatch with date, square button chronograph, registers, power-reserve indication, palladium and titanium alloy rotor and a black rubber Cvstos strap with stainless steel double deployant clasp. Accompanied by a fitted box and papers.

C. Three-body, polished and brushed, the sides with recessed slotted decoration, hooded lugs with titanium screwed bars, screwed-down winding crown, transparent case back with four screws, non-reflective sapphire crystals. D. Transparent with applied steel indexes, luminous dots and divisions for the minutes on a black outer reserve, subsidiary ring dials for the seconds, 30-minute and 12-hour registers, sector for the power reserve indication at 3, visible skeletonized black date ring displaying the date beneath a cyclops lens between 4 and 5. Luminous polished steel épée hands, red subsidiary hands. M. Cal. 7750, 25 jewels, straight-line lever escapement, monometallic balance, self-compensating flat balance spring, shock absorber, micrometer regulator, palladium and titanium alloy rotor. Dial and case signed. Dim. 51 x 58 mm. Thickness 17 mm.