3. They have to avoid the mistakes of history.
Too many of the smartwatches sold up to this point have been overpriced, ugly, clunky, with poor battery life (see below) and an indiscriminate package of functionality — essentially glorified proof-of-concept devices. A smartwatch that sports a major brand name can't be redolent of something that was funded through Kickstarter. (No offense to the Kickstarter projects out there.)