For just a little more ($70–$100), an Apple Watch Series 4 or SE (1st Gen) offers a vastly superior experience, larger screen, and better software longevity.
Most third-party apps (Spotify, Strava, etc.) no longer support this hardware. buy apple watch series 2 42mm
Look for deep scratches that might affect the touch interface. For just a little more ($70–$100), an Apple
1.65-inch OLED Retina with Force Touch (1000 nits brightness). Build: Available in Aluminum, Stainless Steel, or Ceramic. Water Resistance: Rated for swimming (50 meters). For just a little more ($70–$100)
Ensure the seller has unpaired it from their iCloud; otherwise, it's a "brick."