Electric WW LIP R184 "quad roller"?

Discussion in 'Watch Repair' started by Chris Radek, Aug 29, 2018.

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  1. Chris Radek

    Chris Radek Registered User
    NAWCC Member

    Apr 13, 2014
    Watchmaker (now accepting new customers)
    Lincoln, NE, USA
    Country Flag:
    Tonight I'm repairing (unmangling) and servicing a LIP R184 balance wheel electronic in a nice Waltham diver model. This movement has one roller jewel to advance the driving wheel (which has magnetic detent) directly, a second one in double roller configuration to run a traditional looking lever that does nothing except restrict the balance to +/- 1 rotation (this lever has cool magnetic banking), and a third to nudge the contact wires to turn the impulse coil on at the right moment.

    The LIP technical manual for this movement uses the word "peculiar" over and over when describing the operation. Anyway, behold:


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