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JimInOz
··Melbourne AustraliaI've just finished assembling a movement and put it on the timegrapher.
Most of the readings are what I expected for the age and condition of the movement, however, in one position it goes nuts, see below.
I expect that with a new mainspring, amplitude could be improved, but finding suitable replacements for this caliber these days is getting harder each time I look.
Any pointers as to what could be causing the positional change?
I've checked the Witschi guide but I'm none the wiser.
😕
Most of the readings are what I expected for the age and condition of the movement, however, in one position it goes nuts, see below.
I expect that with a new mainspring, amplitude could be improved, but finding suitable replacements for this caliber these days is getting harder each time I look.
Any pointers as to what could be causing the positional change?
I've checked the Witschi guide but I'm none the wiser.
😕