So, if you could only have one watch, what would it be? And same question, but if you could only have two watches, what would they be?
Today, and subject to change, my one watch would be a Marathon 41mm steel Navigator, with no date. I think it is tough enough to hold up to shooting and outdoors pursuits, it has the ability to show a second time zone (UTC for me), the bezel moves easily for timing, it is quartz accurate, but you can change the battery yourself. Not too expensive, and I like the looks.
For two watches, the Sinn 105 UTC for flying and daily wear, and a 41mm poly Marathon for shooting and rougher use.