There is a splendidly exclusive double index at 12 o’clock for orientation. At 6 o’clock, you've got the signature – as the Aquatimer are available in both of those tritium or Luminova variants, you’ll see the two “T SWISS MADE T” and “SWISS Produced” signatures. A Notice around the tritium https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/