Heuer Carrera Dato 45 Vintage Chronograph 3147N 1st Execution The Rare and Elusive Dato Chronograph by Heuer Switzerland, 1960s DIAL: Matte black tritium dial, steel hands CASE: Stainless steel watch case with screwdown caseback, serial: 71828 DIAMETER: 35,5mm MOVEMENT: Manual wind, Landeron 189 calibre STRAP: New, Italian handmade, calf leather racing strap CONDITION: Overall, the watch is in excellent condition. The dial appears to be flawless. The tritium luminous on dial and hands is fully original and all in place. The watch case is in very good condition. The watch was just serviced, thus in very good running condition, keeping accurate time. (300°; +2s/d). The watch was acquired from a collector in Frankfurt, Germany. A very rare watch in investment grade quality.