The Certina 15-20 is a manual winding caliber with an analog display. Its features include sweep seconds and hand winding. It launched in 1961. It is in production.
Last updated 29 Apr 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Display Type
Analog
FEATURES
Sweep SecondsHand Winding
QUICK FACTS
FOR WATCH DEALERS
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