There exists a splendidly exclusive double index at 12 o’clock for orientation. At 6 o’clock, you've the signature – because the Aquatimer are available in each tritium or Luminova variants, you’ll see both of those “T SWISS Designed T” and “SWISS MADE” signatures. A Observe over the tritium variations: IWC https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/