Looks like the Samsung Galaxy A7 (2017) won't be officially made available in Europe. A quick look at the tech giant's Austria website reveals that the list of Gear S3 compatible devices doesn't include the Galaxy A7 (2017), while the Galaxy A3 (2017) and Galaxy A5 (2017) are there. To be clear, Samsung is yet to confirm availability details for the Galaxy A7 (2017) - in fact, the company hasn't confirmed any details about the 2017 iteration of its Galaxy A series. However, if this (A7 (2017) not coming to Europe) does turn out to be true, it shouldn't be a big surprise as the A7...
Source: http://www.gsmarena.com/report_says_europe_wont_get_samsung_galaxy_a7_2017_as_well-news-21780.php
