There exists a incredibly unique double index at 12 o’clock for orientation. At six o’clock, you've the signature – given that the Aquatimer can be found in both tritium or Luminova variants, you’ll see equally “T SWISS MADE T” and “SWISS Created” signatures. A Take note around the tritium variations: https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/