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8.75''', Dm= 19.4mm, Do= 19.75mm
f = 18000 A/h
power reserve 41h
Balance staff U1881
Mainspring / battery
Zf1303, 1.60 x 8.0 x 0.10 x 225mm
1.20 x 0.80 x 0.22mm
Comments about the data
imitation of balance screws
ratchet on dial side, crown mechanism with rocker bar
on dial side signature of the base calibre EB 1333
1333: sub second
1344: sweep second
suffixs -66, -74: minor modifications and their year of introduction
Example, year: signature; shock device
ca. 1955: Swiss Made, 17 Jewels - EB 1333
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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