можно тут почитать -
http://www.scribd.com/vlada71/d/8137...re-8500-Review - по поводу co-axial и частоты:
- The Daniels ‘Fix’
- About the Beat Rate
- 25,200 bph in the Calibre 8500
" ... calibre 8500 series movements leave the factory for COSC testing having achieved a maximum range of
4 seconds variation in
all 6positions in terms of daily accuracy ..."
