Okay. First of all, you need to think logically about such a painstaking request. If you are only allowed to wear one watch from today for the rest of your life, you are going to need a watch that will hold up in any type of situation. You need one that looks just as at home on your wrist at a pool party in Miami as it will in a boardroom meeting in Tokyo. For me, the Rolex Datejust 116234 is the perfect option to take me through the rest of my days here on earth.