18kt white gold case with a black leather strap. Fixed bezel. Silver dial with blue hands and Arabic numeral hour markers. Dial Type: Analog. Day of the week and date display at the 9 o'clock position. Three- date /day of the week, month, moonphase/ small seconds subdials. A. Lange & Sohne Calibre L051.3 hand wind movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Transparent case back. Round case shape, case size: 40 mm, case thickness: 10.1 mm. Water resistant at 30 meters / 100 feet. Functions: hour, minute, second, annual calendar, Moonphase. Luxury watch style. Watch label: Swiss Made. A. Lange Sohne 1815 Annual Calendar Mens 18kt White Gold Watch 238.026.