A. Lange & Söhne Glashütte/SA 800/ooo Silver-case black regulator dial
gold-plated, 2/3 plate movement by VEB Mechanik Lange & Söhne modified and completed of Deutsche Präzisionsuhrenfabrik e.G.m.b.H. Cal. 43 centre-wheel-beal in triple screwed gold-chaton bimetallic compensation-balance, Breguet-overcoil-balance spring
Diameter of case: approx. 51,5mm Total weight: approx. 100g
Further information about the movement can be found on the very informative website: glashuette.de