19 jewels43h power reserve18,000 vph (2.5 Hz)
The IWC Schaffhausen 9521 is a manual winding caliber with an analog display, 19 jewels, a power reserve of 43 hours and a frequency of 18,000 vph (2.5 Hz). It measures 37.8 mm in diameter. Its complications are moon phase and minute repeater. Its features include small seconds. It is discontinued.
Last updated 29 Apr 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
19 jewels
Power Reserve
43h
Frequency
18,000 vph (2.5 Hz)
Diameter
37.8mm
Display Type
Analog
COMPLICATIONS
Moon PhaseMinute Repeater
FEATURES
Small Seconds
QUICK FACTS
FOR WATCH DEALERS
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