We had an inkling that the Gear Fit2 Pro will not be the only wearable Samsung brings to IFA and now we know the other one - the Samsung Gear Sport (SM-R600). This one seems to break the "Gear S" naming convention, but other than that the familiar features seem on board - round screen, Tizen and a heart rate sensor (visible in the FCC schematics). The text below the watch promises 5 ATM waterproofing - that's serious resistance as far as smartwatches go, making the Gear Sport suitable for swimming. Presumably there are related features (e.g. stroke count and lap tracking), but the text...
Source: http://www.gsmarena.com/samsung_gear_sport_watch_leaks_swimmers-news-26914.php
