Certina´s new DS-2 Chronograph is certified by Contrôle Officiel Suisse des Chronomètres (COSC) to be accurate up to a 1/100th of a second. – Watch-Insider.com
Certina DS-2 Chronograph Flyback - Your Watch Hub
Certina introduces the historic DS-2 Chronograph Automatic
Certina DS-2 Limited Edition Watch With High-End PreciDrive Movement | aBlogtoWatch
Hands-On With The New Certina DS-2 Chronograph Automatic
Certina Vintage DS-2 Chronolympic Chronograph Mechanical Cal.... for $2,770 for sale from a Private Seller on Chrono24