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Description
- CERTINA original part, new without factory packaging.
- 1 pcs. ( 2 pcs/movement)
- Fits cal: 13.21, 13.22
Versions:
- 13-20: N: = 19.800, no mountings.
- 13-21: N: = 19.800, mounting threads.
- 13-22: N: = 21.600, mounting threads.
