Important Modern & Vintage Timepieces

New York, Apr 20, 2016

LOT 142

RICHARD MILLE RM025 TOURBILLON CHRONOGRAPH TITANIUM AND PINK GOLD Richard Mille, "Tourbillon RM 025", No. 079. Made circa 2010. Very fine, and unusual, curved, titanium and pink gold wristwatch with visible one-minute tourbillon regulator, square button chronograph, 50 hour power reserve and a titanium Richard Mille buckle. Accompanied by the original fitted box, Warranty Certificate, technical specifications and a spare strap.

Three-body, graduated unidirectional revolving bezel connected with 24 screws with lock-release at 12 & 6, reinforced case band, transparent case back with 8 special milled titanium screws, lapidated pink gold lugs, rubber- coated winding crown, 2 curved and anti-reflective sapphire crystals. Transparent sapphire crystal with painted white Arabic numerals, outer 1/5th seconds track with 5-minute luminous dot markers, crystal subsidiary dials for the 12-hour and 30-minute registers, power reserve, torque and function indicators. Luminous white gold arrow hands. Cal. RM 025, carbon nanofiber, 29 jewels, lateral lever escapement with one-minute tourbillon regulator, titanium tourbillon cage with 3 equidistant polished arms, monometallic balance with ceramic cap jewel, adjusted to heat, cold and 5 positions, shock absorber, self-compensating Breguet balance spring.