Solid 18kt yellow gold polished case with fine satin finished case band (edge). Solid silver dial with stepped down center and further recessed sub-dial. Painted black Arabic Numeral hour markers and minute track. Blued steel hands. Small seconds sub-dial located at the 6 o’clock position. Stop seconds for accurate time setting. A. Lange & Sohne Caliber L051.1, beats at 21600 vph, composed of 188 parts, contains 23 jewels. Approximate power reserve of 55 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.