There's a incredibly special double index at twelve o’clock for orientation. At 6 o’clock, you've got the signature – because the Aquatimer can be found in both tritium or Luminova variants, you’ll see both equally “T SWISS Produced T” and “SWISS Created” signatures. A Take note around the tritium variations: https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/