Since the old iWatch rumor reared its head again in December, there have been a few more reliable sources adding weight to the idea that we could see a smart watch from Apple this year. Over the weekend, The New York Times, which said essentially the same thing in 2011, followed up the rumors with a report that Apple is working on a curved glass watch prototype running iOS. The Wall Street Journal quickly followed with more information, claiming Apple and partner Foxconn are now testing wearable, watch-like devices.

While many have speculated what Apple might include in an iWatch, such as Apple employee #66 and founder of Apple’s Human Interface Group Bruce Tognazzini, all we get from reports is “curved glass” and “iOS”. Apple has clearly been testing wearable prototypes with several patents dating as far back as 2009, describing potential integration with wristwatches and iOS devices. By taking a look at the technology for watches that Apple is already experimenting with through the many publicly available patents, we put together a list of some of the features the company could very well include in an Apple-branded smart watch. Read more