Régulateur-Tourbillon" Chronoswiss

"Régulateur-Tourbillon" Chronoswiss, "Régulateur-Tourbillon", No. 018, Ref. CH 3121 W. Made in a limited number, circa 2000. Very fine and rare, water-resistant, 18K white gold gentleman's wristwatch with visible one-minute flying tourbillon regulator, regulator dial, double-barrel, 72 hours autonomy and an 18K white gold Chronoswiss buckle. Accompanied by a fitted box and certificate. "Guilloché" silver with painted radial Arabic numerals on an outer plain reserve, subsidiary off-centerring dial with painted Roman numerals at 12 for the hour, aperture for the visible tourbillon cage at 6. Blued steel "spade" hands. Cal. C. 361, rhodium-plated, "fausses côtes" decoration, 23 jewels, straight line lever escapement with one-minute flying tourbillonregulator with polished steel cage and blued screws, monometallic balance, shock absorber, self-compensating flat balance-spring,double barrel. Dial, case and movement signed. Diam. 38 mm. Thickness 11 mm.