Longines 6641 Part 721 Balance Complete is a genuine, sealed new old stock that is perfect for your watch movement repair needs. Made in Switzerland, this high-quality movement part is compatible with New Balance watches and is specifically designed for the Longines brand. With its precise engineering and reliable performance, this balance complete is an essential component for ensuring the accuracy and longevity of your timepiece. Don't settle for anything less than the best – trust Longines to provide you with the finest watch parts on the market.