There is a wonderfully one of a kind 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 each “T SWISS Created T” and “SWISS Manufactured” signatures. A note on https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/