Daytona Zenith 16523 First Series "Floating Cosmograph" and "200km/h bezel" - First year of production - Full yellow gold and steel, Oyster bracelet, sunburst champagne "floating cosmograph" dial, applied stick indexes, three black counters chronograph, 200 bezel, sapphire crystal, screw-down crown and pushers, Zenith El Primero automatic movement.