Stainless steel, self-winding, horizontal truncated tonneau-shaped, gentleman’s wristwatch, water-resistant with screwed case-back, left-hand winding-crown, silver colour and dark grey dial with 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)· Half-instantaneous date of the mont (aperture at 6 o’clock).