Case material: Rose gold; Charge: Manual; Conditions: Never worn Presentation condition : With boxes and all papers; Model: Datograph Price on request Gmtbroker Reference: 410.032 A. Lange & Sohne 410.032 Complete Details: This watch is for the true watch connoisseur, it combines the complications of the Datograph & the Langematik Perpetual into 1 unbelievable wristwatch. Extra attention is given to the hand decorated finishing of every surface - both viewable & concealed. This watch features: 18kt rose gold case Solid silver dial with applied Roman Numeral & Index hour markers. Patented large double window date display located at the top of the dial. Complications: Perpetual Calendar: Month Indicated by the subdial at the 3 o'clock position - with inset leap year indicator. Day of week sub-dial located at the 9 o'clock with inset am/pm indicator at the top of this dial. Moonphase window located at the bottom of the dial. Date correction can be done collectively using the large push button located on the case edge at the 10 o'clock position, or each complication can be correct independently using recessed corrector buttons. Chronograph movement with flyback function - allowing the stop-watch to be instantaneously restarted for continuous timing, without having to stop, reset, restart the chronograph. Furthermore the minute hand of the chronograph jumps in 1 minute increments rather than continuously moving - this allows for accurate reading of the timing function Tachometer Scale. Lange calibre L952.1 is comprised of 556 parts, has 45 je