"interesting watch" is correct and usable in written English.
You can use it to refer to something that you find interesting to watch, for example: "The film is an interesting watch."
While The Square, the Oscar-nominated documentary about Tahrir and the Egyptian revolution, might undoubtedly be an interesting watch, it can be difficult to find recent films about Cairo that are about the city itself putting the Arab Spring aside.
Interestingly the company is also creating a sort of "matchmaker" marketing feature that shows both the buyer and the seller for a particularly interesting watch.
He is a sprightly man who makes his own aforementioned cheese and is stewarding an interesting watch brand out of the doldrums of the 1990s and into the 21st century.
I don't want to get there too soon, but if I do get there and the place is wired for YouTube, The Judgment of Fred Phelps might be an interesting watch.
You might wear some sort of interesting watch, or necklace, or belt, something that gives you a little bit of flair, but that won't overwhelm your date (for example, unless your date is super into goth things, breaking out the all black attire, fancy make-up and sweeping cape probably won't win you many points).
It is interesting watching all these video outlets proliferate.
"It was interesting, watching these fields turn into homes," he recalls.
With an entire mandarin class thrown into the mix, Whitehall will make interesting watching.
It's interesting watching the American oil crisis/debate from here in Tokyo.
It was also interesting watching young Muslim women wearing head scarves freaking out to Korean pop.
"It was interesting watching what the Spice Girls were doing," Ms. Murray-Leslie said.
