Our New York Watches Weekly sale is now live, featuring this incredible A. Lange and Söhne ‘Lange 31’. The watch amasses an impressive 31 day power reserve, and is further enhanced by the caliber's ability to maintain a consistent rate of accuracy over its entire 744 hours of winding autonomy. A constant force escapement is positioned between two mainspring barrels to deliver a maintained torque level through the power reserve period. Head to our link in the bio to browse the full selection of A. Lange and Söhne, Rolex, and more, open for bidding through 11 August. #sothebyswatches #alangesoehne #lange31 #wotd #hautehorologerie #watchesofinstagram