Condition: pre-owned, in mint condition. Box and papers: with box and papers. Reference: 101.031 Movement: mechanical with manual winding, created by Lange & Sohne, 901.0 caliber; 53 jewels, including 9 screw-mounted gold chatons; 21,600 vph; glucydur screw balance; Nivarox spring with terminal curve; goose-neck fine adjustment and patented beat adjustment; twin serially operating spring barrels; power reserve approx. 72 hours; Glashutte three-quarter plate; bridges with Glashutte ribbing. Decorated and engraved by hand. Functions: hours, minutes, small seconds; date; power reserve. Case: in 18 karat red gold, in 3 parts; 38.5 x 9.6 mm (excl. lugs & crown); polished and brushed finish; flat sapphire glass; rectangular push-button for correction of the date on case band; red gold crown with logo; back secured by 6 screws with sapphire crystal exhibition window. Water-resistant to 30 meters. Dial: solid silver, galvanic black; red gold Alpha hands; applied red gold Roman numerals and diamond-shaped hour markers. Indications: off-center hours and minutes at 9; large patented date aperture at 1; power reserve indicator at 3; small seconds between 4 and 5. Strap: new Lange alligator with matching red gold Lange buckle. Retail price: $34,700.00 USD.FeelGoodWatches.com is not an authorized dealer for the brands offered, and we cannot advertise the watches we sell as new. The watches we sell are used, but some of them are unworn. There is no manufacturerâe(TM)s warranty on this watch. We trust these timepieces to be of such high caliber that we warranty all "unworn condition" watches for a period of 1 year.