The rumors are growing that Apple is on the cusp of releasing its iWatch, but while investors are impatiently waiting for the company to enter the wearables market, Samsung (NASDAQOTH: SSNLF), Sony (SONY -0.33%), Qualcomm (QCOM -0.20%) and others are already firmly in the smartwatch space.

Flip through the slideshow below to check out some of the latest smartwatches on the market and the key features that make them stand out from the rest of the pack. The devices run the gamut from the top tech companies to crowd-sourced start-ups, and each have their own merits. Whether you prefer high-end cameras, special apps, or a budget conscious option, the following smartwatches are some of the best on the market.