Certina DS Action ChronographCertina DS Action Chronograph The Certina DS Action Chronograph is a precision instrument built for those who demand more from their timepiece. Its 42 mm stainless steel case frames a bold black dial that keeps every detail sharp and legible at a glance. The Swiss quartz chronograph movement ensures split second accuracy, whether you're timing a lap or a business meeting. Luminous hands and indices guarantee readability in any light condition. Water