Stainless steel, manual-winding, tonneau-shaped, gentleman’s wristwatch, with round bezel, water-resistant with screwed case-back, silver colour dial with subsidiary seconds at 9 and three horological complications:· 1/5 second chronograph (activated by the two round-shaped push-pieces)· Half-instantaneous 30-minute counter (subsidiary dial at 3 o’clock)· 12-hour counter (subsidiary dial at 6 o’clock).