Driven GPS via eBay offers the factory-refurbished Garmin Vivoactive GPS Smartwatch in Black, model no. 010-01297-00, for $89.99 with free shipping. That's a $5 drop from a month ago and the lowest total price we've seen. (It's the best deal now for a refurb by $18.) It's compatible with iOS and Android and features built-in sports apps and display alerts for incoming calls, texts, emails, and social media. A 1-year Garmin warranty applies.