Franck Muller Imperial Tourbillon 7850

A WHITE GOLD TONNEAU-FORM TOURBILLON CHRONOGRAPH WRISTWATCH REF 7850 CCT NO 12 IMPERIAL TOURBILLON CIRCA 2000 dimensions 33 x 48 mm (including lugs) , • manual winding movement, 25 jewels, one-minute tourbillon carriage • silvered guilloché dial, luminous Arabic numerals, subsidiary dial for 30-minute register, aperture at 6 to reveal the tourbillon carriage combined with subsidiary seconds • 18k white gold tonneau-form case, sapphire crystal display back secured by 4 screws • case, dial and movement signed • with a platinum Franck Muller buckle