When most people think about what makes a watch tick, a battery is probably the first thing that comes to mind. How else could it run, right? Well, Rolex, one of the most famous luxury watch brands in ...

Q: Years ago, I bought a Rolex Oyster chronometer wristwatch in the PX. I didn't like it because I had to change the battery. A friend told me that Rolex didn't make many, so it is worth more because ...