Nike has unveiled Apple Watch NikeLab, a new limited edition version of the Apple Watch Nike+ that debuted last fall. The new neutral-toned Apple Watch is essentially just a design change, pairing up a space grey Apple Watch Series 2 with a black and white sports band, and otherwise continues to include the same features of the other Nike+ models, integrating the Nike+ Run Club app with the standard Apple Watch hardware and watchOS 3. The new model…