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date: set by changing 23:25-24h
11.5''', Dm= 25.6mm, Do= 26.0mm
(dial spacer +0.15mm)
f = 28800 A/h
1.50 x 1.00 x 0.22mm
Comments about the data
1978-1985, ca. 290880
unidirectional automatic gear with roller freewheel
signature often or always GUB 11-27
11-27: day, date
Example, year: signature; shock device
ca. 1980: GUB 11-27; GUB
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.
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