Challenge Chrono Cvstos

Challenge Chrono Cvstos, Geneve, "Challenge", No. 003/200-01ST. Made circa 2007. Fine and unusual, large, curved tonneau-shaped, self-winding, water-resistant, stainless steel and titanium wristwatch with round button chronograph, registers, tachometer, power-reserve indication, black plasma treated movement, palladium and titanium alloy rotor, Cvstos developed date display and a black rubber Cvstos bracelet with stainless steel deployant clasp. To be sold without reserve Two-body, brushed and polished, the sides with recessed slotted decoration, hooded lugs with titanium screwed bars, titanium screwed-down crown and titanium chronograph buttons, transparent back with four screws, non-reflective sapphire crystals. Sapphire crystal with applied steel indexes, luminous dots and divisions for the minutes on a black outer reserve, outermost tachometer scale on the outer frame, subsidiary dials for the seconds, 30-minute and 12-hour registers, sector for the powerreserve indication, visible skeletonized black date ring displaying the date beneath a cyclops lens. Luminous polished steel skeleton hour and minute hands, red subsidiary hands. Cal. 557, black plasma treated, 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. 54 x 41 mm. Thickness 18 mm.