Mido Caliber 80 Chronometer

COSC-certified version of the Mido Caliber 80, based on the ETA C07.621. Features day and date complications. Certified by Contrôle Officiel Suisse des Chronomètres to meet strict accuracy standards (-4/+6 seconds per day). Features Nivaflex NM mainspring and Elinchron II balance spring. Used in premium Commander and Multifort chronometer editions.