Annual calendar complication. 18kt yellow gold case, brown alligator leather strap with a fixed 18kt yellow gold bezel. Analog dial featuring Roman numeral hour markers and luminous hands/markers. Includes day of the week, month, moon-phase, date, hour, minute, second indicators and power reserve sub-dials. Powered by Patek Philippe Calibre 324 S IRM QA LU automatic mechanical movement with 36 jewels. Water resistant to 30 meters (100 feet). Round case measuring 39 mm in diameter and 11.23 mm thick.