Very fine and rare, stainless steel, manual-winding, “tonneau”-shaped, gentleman’s wristwatch, water-resistant with screwed case-back, “triplock” winding-crown, silver colour dial with brown colour registers, applied radial indexes with luminescent dots, subsidiary seconds at 9, chronograph (activated by the two round-shaped screwed push-pieces) with tachometric scale graduated on the acrylic "epoxy" insert stainless steel bezel for 200 units per hour), half-instantaneous 30-minute counter and 12-hour counter.