Gents A Lange & Sohne Grand Lange 1 Moonphase in platinum, Ref#139.025. On original reptile strap with platinum tang buckle, sapphire display caseback, case diameter 41mm. Manually wound movement, power reserve, patented large date, sub seconds and phases of the moon. Silver dial with oversized date window, off center hours and minutes with phases of the moon, power reserve display, and sub seconds. Box and papers.