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electronically controlled tuning fork
7.75 x 8.75''', Dm= 17.4 x 19.4mm
f = 440Hz
Stem Bulova 2210
Mainspring / battery
387 (original, mercury), 329 (replacement, silver odixe, no perfect fit)
1.05 x 0.55mm
Comments about the data
Example, year: signature; shock device
1973: Bulova, U.S.A.
© G. Makszy
Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.
|bidfun-db 21.3 © 02-08-15, mtr-Ranfft|
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