Solid 18kt white gold case, with polished finished bezel ring and lugs, brushed finish case band (edge). Flat silver main dial. Slightly recessed sub-dials with a very fine concentric circle pattern finish. Hour and minute sub-dial offset to the left side of the dial. Applied white gold hour markers in a combination of diamond shaped indexes and Roman Numerals. Fine printed minute track with luminous hour markers. Polished white gold hands with luminous fill. Offset small seconds sub-dial located a the bottom right corner of the dial. Polished white gold hands. Fine printed seconds track. Large double window date display, with an instant date change at midnight, located at the the top right side of the dial. Quick date-correction button located on the case edge at the 10 o’clock position. Power Reserve (Up/Down) Indicator located at the 3 o’clock position. Polished white gold hands with luminous fill. A. Lange & Sohne Caliber 121.1 beats at 21,600 vph, composed out of 368 parts, contains 43 jewels. Approximate power reserve of 72 hours. When the power reserve runs out, the seconds hand will stop at zero, allowing the user to set the watch with precision when restarting. Movement 3/4 back plate is finely finished with striped/ribbed finish and polished beveled corners. Extra attention is given to the hand-decorated finishing of every surface – both visible and concealed.