First silicone
silicon.
One is used for breast implants, the other for balance springs...it's the second one that is used in this watch.
The Powermatic 80 gets it's increased power reserve in part by lowering the frequency.
The technical information I have states that the COSC Powermatic 80 movements are not serviced, which means they would be exchanged. Note that many brands exchange movements rather than servicing them - they include Omega, Tudor, Cartier, and I'm sure many more that I haven't heard of yet...
Click to expand...