White platinum case and fixed white platinum bezel. Analog sky chart dial with silver-toned skeleton leaf-style hands, Arabic numeral hour markers, and a date scale on the outer rim displaying pointer date. Features moonphase subdial and a complication showing orbit of the moon. Powered by Patek Philippe Calibre 240 LU CL C Automatic movement (315 parts, 45 jewels) with frequency at 21600 vph and approximately 48 hours power reserve. Protected by scratch resistant sapphire crystal on both front and case back. Round shape measuring 44 mm in diameter equipped with a tang clasp. Water resistant to 30 meters / 100 feet depth. Functions include hour, minute, second, date, moonphase (including orbit of the moon), sky chart display. Item variations: 6102P-001, 6102P.001.