18K pink gold self-winding tonneau-shaped gentleman’s wristwatch water-resistant with snap-on case-back black colour dial with subsidiary seconds at 9 and seven horological complications: • 1/8 second chronograph (activated by the two round push-pieces) with tachometric scale graduated on the bezel for 500 units per hour • Half-instantaneous 30-minute recorder (subsidiary dial at 12 o’clock) • Dragging 12-hour recorder (subsidiary dial at 6 o’clock) • Half-instantaneous date of the month (exterior graduation with central index) • Day of the week (aperture at 11 o’clock; indications given in English) • Month of the year (aperture at 1 o’clock; indications given in English) • Diurnal (day-time) and nocturnal (night-time) hours with a 24-hour (AM-PM) scale (subsidiary dial at 9 o’clock).