HOW TO IDENTIFY DIFFERENT WATCH CASE BACK DESIGNS AND ENGRAVINGS NO FURTHER A MYSTERY

My Le Petit Prince Mark XVIII basically had two minuscule file marks on the bezel, but that most likely points out why it had been the last a single at the manufacturing facility. It was a present that I acquired with a nod to my passion for Wind, Sand and Stars and needed to be specially ordered from Switzerland. Given that I am "gifted" with an u