18 kt white gold case with fixed octagon bezel and screw-down lume stick hour markers, analog silver dial features luminous hands and minute ring markers around the outer rim, includes moonphase display sub-dials showing month, day of week and date, equipped with a 24-hour chronograph displaying minutes and seconds via two large dials, automatic self-winding movement with column wheel providing 45 hours power reserve, scratch resistant sapphire crystal glass front and back (skeleton caseback), octagonal shape has a diameter of 44mm and thickness of 14.8mm, secured by deployment clasp with push-button foldover mechanism