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Used movement, balance wheel in good order, start to move when I shake the movement or rewind the mainspring.
... need to be cleaned & timed by a watchmaker to keep time properly ...
Characteristics:
Size 19.3 x 23.8 mm, diameter with its ring case 24.6 mm, Height 4.8 mm
family (I don't have all caliber for sell at this time): 730 to 780
730: 23 jewels, Adj. 3 Pos., BWR, LE
730A: 23 jewels, Adj. 6 Pos., LE
732: 19 jewels, Adj.
750: 23 jewels, Adj. 3 Pos., LE
752: 19 jewels, sweep second, Adj.
770: 23 jewels, Adj. 3 Pos., LE
772: 19 jewels, Adj.
777: 19 jewels, sweep second, Adj.
780: 23 jewels, Adj. 3 Pos., BWR, LE
Good Luck
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