Case material: Rose gold; Charge: Manual; Conditions: New Presentation condition : With dealer guarantee ; Model: Richard Lange Price on request Gmtbroker Reference: 760.032 The RICHARD LANGE collection pays tribute to the company founders, Mr Adolph Lange, first-born son Richard Lange (1845-1932), a bright mind devoted to the scientific evolution of precision watchmaking. - Completely polished finished 18kt rose gold case. - Matte silvered dial. - Polished rose gold hands. Regulator Time Features: - Offset minute sub-dial (top center) with black printed minute chapter ring & red Arabic Numeral 15 minute markers. - Offset hour sub-dial (bottom right) with black Roman Numeral hour markers. The overlapping 8-10 hour segment retracts & is hidden between 12 & 6 o'clock. When the watch hits 6 o'clock the hidden 8,9 & 10 hour segment flips into position & remains in place until 12 o'clock at which time it retracts & is hidden once again. - Offset seconds sub-dial (bottom left), mounted on the Tourbillon, with black printed minute chapter ring & Arabic Numeral on some of the 10 seconds markers. Tourbillon: - 60 seconds tourbillon visible through the dial opening at the bottom left side of the dial. - With a polished rose gold hand fixed to the tourbillon doubling as a seconds hand. - The tourbillon consists of 84 parts and weighs 0.25 grams. The surface of the cage is black-polished in a process that requires up to 5 days and tolerates no errors. Stop-Seconds: - Introduced by Lange in 2008, Lange has developed a way to stop the tourbillon whe