A. Lange & Söhne 231.031
A. Lange&S ö hne Emil Lange1815 moon phase, limited to 250 pieces worldwide, featuring the Big Dipper (Big Bear Star), 18K rose gold material, 36mm diameter, black dial, small three pointer display, and the Big Dipper accentuating the moon phase function. The layout is uniform, simple, and beautiful, with a transparent manual mechanical mechanism.