36mm Platinum Lange & Sohne with constant seconds and power reserve indicator displayed on the two sub dials within the elegant silver Arabic dial. The impressive (cal. L942.1) manually wound 27 jewelled three quarter plate movement is visible through the sapphire crystal caseback, this '1815 Up And Down' model is no longer in production. Fitted to a black alligator strap with white gold Lange pin buckle, and supplied with the original box and certificate (dated Aug 2008).