Pre-Owned A. Lange & Sohne Zeitwerk (140029) manual-wind watch, features a 41.9mm 18k white gold case surrounding a black dial on a brand new black alligator strap with an 18k white gold tang buckle. Functions include jumping hours and minutes, small-seconds and power reserve indicator. This watch comes complete with box and papers. We back this watch with a 15-month warranty!