Review: Apple Watch Nike+ isn't much different from Series 2, and that's OK | AppleInsider
Apple Watch Nike Series 6 (GPS) with Nike Sport Band 44mm Space Gray Aluminum Case. Nike JP
Nike SportWatch GPS Review: The Nike+ SportWatch GPS is comfortable and easy to use, but a little expensive given its limited feature set - GPS & Car Entertainment - PC World Australia
Review: Nike+ GPS Sports Watch | WIRED
Amazon.com: Nike+ SPORTWATCH GPS Powered by Tomtom Black and RED : Electronics