Case material: Rose gold; Charge: Automatic; Conditions: New Presentation condition : With boxes and all papers; Model: Type XX / Type XXI Price on request Gmtbroker Reference: 3880br/z2/9xv Breguet 3880br/z2/9xv Complete Details: Breguet creates a chronograph with an exceptionally high frequency of 10 Hertz (the equivalent of 72,000 VPH) - allowing for the chronograph seconds hand counter to keep accurate count up to 1/20th of a second - one of the smallest time divisions to be measured by a serial mechanical caliber! At the heart of this technical exploit is the use of silicon, resulting in more lightweight mobile components and the avoidance of the lubrication problems generated by high frequencies. This watch features: Polished 18KT Rose gold case. Matte two-tiered dial with raised center & recessed sub-dials. Arabic Numeral hour markers. Raised inner bezel/flange with bold luminous painted hour markings & minute/second/fractions of a second markings printed in white & red. Polished rose gold hands with luminescent paint fill (Hours, Minutes, 24 Hour & GMT Hands). Chronograph/Stopwatch function: Flyback complication allows for instant restarting of the chronograph with a single push of the button instead of the need to stop, reset & restart the stop-watch. Large red central 30 seconds counter hand - makes a full revolution every 1/2 minute. Features a large rose gold with red diamond tip central minute counter hand - marks the minutes in 1/2 minute increments. This hand is located directly below t