You will find a incredibly distinctive double index at 12 o’clock for orientation. At 6 o’clock, you've the signature – because the Aquatimer can be found in both tritium or Luminova variants, you’ll see the two “T SWISS Built T” and “SWISS Built” signatures. A note to the tritium versions: https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/