There's a beautifully unique double index at 12 o’clock for orientation. At 6 o’clock, you might have the signature – because the Aquatimer can be found in each tritium or Luminova variants, you’ll see both equally “T SWISS Created T” and “SWISS Produced” signatures. A Observe on the tritium variations: https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/