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|Alpina 689 (ETA 2472)|
date: set by changing 20:30-24h
11.5''', Dm= 25.6mm, Do= 26.0mm
f = 18000 A/h
power reserve 42h
Balance staff U3136
Stem W2426, W3226
Mainspring / battery
Zf869, 1.30 x 9.5 x 0.105 x 300mm
1.50 x 0.90 x 0.21mm
Comments about the data
used in watches of the Alpina brand Terval
Example, year: signature; shock device
ca. 1960: Terval 689, Swiss, 17 Jewels - Patented; Incabloc
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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