COSC Launches New Excellence Chronometer Standard
COSC unveils the Excellence Chronometer, a new standard with stricter accuracy and magnetic resistance tests. The first certified watches will debut in 2026.
COSC
Articles tagged with COSC
Articles tagged with COSC
COSC unveils the Excellence Chronometer, a new standard with stricter accuracy and magnetic resistance tests. The first certified watches will debut in 2026.