16 jewels42h power reserve18,000 vph (2.5 Hz)
Caliber IWC-81 is an automatic movement manufactured by IWC Schaffhausen. It operates at 18000 vph with a 42-hour power reserve and 16 jewels, featuring small seconds. This was IWC's first automatic caliber, produced between 1950 and 1951.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
16 jewels
Power Reserve
42h
Frequency
18,000 vph (2.5 Hz)
Display Type
Analog
FEATURES
Small Seconds
More IWC Schaffhausen movements
QUICK FACTS
FOR WATCH DEALERS
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