There exists a beautifully exclusive double index at 12 o’clock for orientation. At 6 o’clock, you have the signature – as the Aquatimer can be found in both of those tritium or Luminova variants, you’ll see both “T SWISS MADE T” and “SWISS Produced” signatures. A note about the tritium https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/