There is a incredibly unique double index at 12 o’clock for orientation. At 6 o’clock, you might have the signature – since the Aquatimer can be found in both tritium or Luminova variants, you’ll see equally “T SWISS Created T” and “SWISS MADE” signatures. A Be aware around the tritium https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/