IWC caliber IWC 8521
Ref. IWC 8521
The IWC caliber IWC 8521 is an automatic movement with a 42-hour power reserve, beats at 19,800 vph, and carries 21 jewels.
Version of caliber 852 with date function; pellaton winding system. Produced from 1953 to 1958.
- Type
- Automatic
- Display
- Analog
- Power reserve
- 42 h
- Frequency
- 19800 vph
- Jewels
- 21
- Diameter
- 29 mm
- Complications
- Hours, Minutes, Seconds
- Base caliber
- IWC caliber IWC 852
