Original COSC certificate, Switzerland’s Contrôle Officiel Suisse des Chronomètres, the best-known watch-certifying organization, for Ulysse Nardin watches with movement 11607. Dates from 1996, in which year the Ulysse Nardin Marine Collection was introduced. Comes in dark blue leather document holder with the Ulysse Nardin logo stamped in gold letters on the front. Aprox. Size: 15.5 x 22 cm. Brand new condition without tags.