Case material: Yellow gold; Charge: Manual; Conditions: New Presentation condition : With boxes and all papers; Model: 1815 Price on request Gmtbroker Reference: 234.021 A. Lange & Sohne 234.021 Complete Details: This watch features:   Polished 18kt yellow gold case with fine satin finished case band (edge). Flat metallic silvered main dial with stepped-down center. Slightly recessed sub-dials with a very fine concentric circle pattern texture. Printed black Arabic Numeral hour markers. Printed black minute track. Blued steel hands. Power Reserve indicator sub-dial located at the bottom left corner of the dial. Small seconds sub-dial located at the bottom right corner of the dial. A. Lange & Sohne Caliber L051.2, beats at 21,600 vph, composed out of 245 parts, contains 29 Jewels & has an approximate power reserve of 72+ hours. Movement 3/4 back plate is finely finished with striped/ribbed finish and polished beveled edges. The balance-cock is hand engraved making each watch unique. Extra attention is given to the hand-decorated finishing of every surface - both visible & concealed. Featured Complications: Power Reserve Indicator This watch is also known as 234021