There exists a beautifully exclusive double index at twelve o’clock for orientation. At 6 o’clock, you've got the signature – given that the Aquatimer are available in each tritium or Luminova variants, you’ll see equally “T SWISS Built T” and “SWISS Created” signatures. A Notice to the tritium versions: IWC https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/