Hi Folks. For the past five days I have been trying to free a stuck ratchet wheel screw on an unidentified Swiss movement.  I have been reading the helpful posts on this forum about stuck screws,  and have tried everything mentioned I think. To save everyone's time,  I will give a list of what I have done so far.  At every stage I am attempting both clockwise and anticlockwise movement of the screw. 30 minute soak in Evaporust,  because rust was present on the ratchet wheel.  R