They have some great shops with a wide variety of brands. All of them full of watches to sell except for the four Rolex stores that are bone dry. Go figure.
Time Dome at Caesar’s Palace, Horogolio at the Palazzo, and Watches of Switzerland at the Wynn. Of the three, the staff at Horologio are the most watch knowledgeable in my opinion.
Don’t forget to take helicopter ride over the Grand Canyon if it’s not too late. Always the highlight of a Vegas trip. Wear your new UN in good health🤙