Franck Muller. A rare and complicated 18K white gold minute repeating wristwatch with tourbillon and power reserve indication Imperial Tourbillon, Limited Edition No.55, Ref: 6850 RMT/55, Circa 2000
Model: Imperial Tourbillon, Limited Edition No.55Reference: 6850 RMT/55Date: Circa 2000Movement: 32-jewel finely engraved manual wind, adjusted to 5 positions, skeletonised one minute tourbillon, compensation balance, two polished steel hammers striking on two gongsDial: Guilloché engraved silvered, black painted Arabic numerals, aperture at 6 displaying tourbillon under steel bridge, subsidiary seconds at 6, power reserve at 10, blued steel spade hands, serpentine seconds handCase: Brushed and polished tonneau form, exhibition back secured by 4 screws, repeat slide in the band at 9, No.55Strap/Bracelet: Black Frank Muller alligator leatherBuckle/Clasp: Signed folding claspSigned: Case, dial & movementSize: 34mm Accompaniments: Franck Muller box, outer card, Certificate of Origin