15 jewels18,000 vph (2.5 Hz)
The Certina 251 is a manual winding caliber with an analog display, 15 jewels and a frequency of 18,000 vph (2.5 Hz). Its features include sweep seconds. It is in production.
Last updated 22 Sep 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
15 jewels
Frequency
18,000 vph (2.5 Hz)
Display Type
Analog
FEATURES
Sweep Seconds
QUICK FACTS
FOR WATCH DEALERS
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