A. Lange and Sohne Tourbillon Pour le Merite 701.001 18k Yellow Gold

A. Lange & Sohne 701.001 Tourbillon Pour le Merite, 701001, One of the original 4 models presented by Lange in 1994, the tourbillon was intended to show the technical prowess of the newly reborn company. Just 106 were produced in yellow gold with 200 pieces produced in total across all metals. 18k yellow gold case on an alligator strap with a yellow gold tang buckle, manual wind Lange caliber L902.0 movement with a 36-hour power reserve and 60-second exposed tourbillon with a diamond cap jewel at 6 o'clock, the first wrist watch ever to incorporate a tourbillon with a fusee and chain winding mechanism (consisting of 636 parts by itself) which helps distribute power evenly over the span of the power reserve, German silver dial with black painted Arabic hour markers and railroad minute track, running seconds at 9 o'clock, power reserve indicator at 3 o'clock, blued steel hands, sapphire crystal, display back, diameter 38.5mm, thickness: 10mm. Like New with A. Lange & Sohne box, a copy of the original sales receipt dated December of 1995, an extract from the Lange Archive, and a copy of "The Pour Le Merite Collection" book by Peter Chong. The watch has a beautiful warm patina and does not appear to ever have been detailed.