There exists a splendidly special double index at 12 o’clock for orientation. At six o’clock, you have the signature – as the Aquatimer are available in equally tritium or Luminova variants, you’ll see both equally “T SWISS Produced T” and “SWISS Produced” signatures. A Take note on the tritium versions: https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/