This SIHH 2014 Richard Lange Perpetual Calendar "Terraluna" wristwatch from A. Lange & Söhne features a striking rhodium solid silver dial with hours displayed in a Roman numeral subdial at 5 o'clock, minutes displayed in a subdial at 7 o'clock and seconds displayed in a subdial at 12 o'clock. Date is displayed at 12 o'clock, day-of-the-week at 8 o'clock, month at 4 o'clock, sectorial power reserve indicator at 2 o'clock, and leap year indicator at 6 o'clock. The transparent case back of the watch is truly innovative and displays moon phases and indicates day/night. The complicated watch uses a brown crocodile leather strap with a tang clasp.