Christophe Claret X-Trem-1 (2019)

Case is 40mm width x 53mm length, 18k pink gold and Damascus steel. Dial is semi-skeletonised, with two metal spheres with no mechanical connection, representing retrograde hours and minutes within two sapphire tubes controlled by precision magnetic fields generated by two miniature magnets moved by cables. Movement is manual with flying tourbillon inclined at 30° and magnetically floating sphere retrograde hours and minutes. With: black-coated metal Christophe Claret deployant clasp, Christophe Claret International Guarantee Certificate, winding key, presentation box and outer packaging. Remark: Unusual and very rare, limited edition 6/8, case no. ST012FLY11, last known retail price is 272,000 CHF, circa 2019. Estimate HKD 300,000 – HKD 600,000. Sold for HKD 533,400 at Christies Auctions May 27 2026 Hong Kong