The group that owns the luxury watch company Longines was founded in which year?
The Swatch Group The Swatch Group is a Swiss manufacturer of watches and jewelry. The company was founded in 1983 by Nicolas Hayek from the merger of Allgemeine Gesellschaft der Schweizerischen Uhrenindustrie (ASUAG) and Société Suisse pour l'Industrie Horlogère (SSIH).
Seiko Seiko Holdings Corporation (セイコーホールディングス株式会社 , Seikō Hōrudingusu Kabushiki-gaisha ) (), more commonly known simply as Seiko ( ), is a Japanese holding company that holds subsidiaries which manufactures and sells watches, clocks, electronic devices, semiconductors, jewelries, and optical products.