There's a incredibly exceptional double index at 12 o’clock for orientation. At 6 o’clock, you have got the signature – because the Aquatimer are available in the two tritium or Luminova variants, you’ll see each “T SWISS MADE T” and “SWISS Produced” signatures. A Notice on the tritium versions: IWC https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/