You will find a incredibly exceptional double index at 12 o’clock for orientation. At 6 o’clock, you've the signature – as the Aquatimer are available in both tritium or Luminova variants, you’ll see equally “T SWISS Created T” and “SWISS Built” signatures. A Take note to the tritium variations: IWC https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/