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Rolex Oyster 4647 Calibre 710 (10½ H)

balance with broken top pivot

pushing out the old balance staff with the Platax tool

we got the wrong balance staff ...

the correct balance staff has arrived

correct balance staff fitted

fitting the roller

hairspring and roller fitted

I test the new balance staff in the movement before servicing it

good enough for an unserviced movement - now I can proceed

new mainspring ready to be fitted