No, Cartier official website inquired that the dial diameter is the inner diameter of the glass case, and counting the crown is the diameter of the case. Just use a ruler to measure the diameter of the dial. Note that the watch should not be stored for too long when not in use, otherwise dust will appear in the dial, and the dial diameter does not include the crown. Cartier is a famous French jewelry and watch manufacturer, founded by Louis Fran? ois Cartier in Ruemontogueil3 1847 in Paris.