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|Junghans 689.70 (J89)|
12.5''', Dn= 28.20mm
H= 6.4mm (5.5mm without sweep second)
f = 18000 A/h
Balance staff U1518
Mainspring / battery
Zf1403, 1.70 x 11.5 x 0.12 x 385mm
2.20 x 1.41 x 0.79 x 0.18mm
Comments about the data
common barrel for watch and alarm
ratchet on dial side, crown mechanism with rocker bar
Wind watch and alarm: crown at 3h.
Set time: pull crown at 3h and set time. If you set the time reverse and pass the alarm time, this will be set reverse simultaneously.
Set alarm: crown at 2h. The alarm time can only be set reverse, setting forward is inhibited by a freewheel.
Enable alarm: push pusher at 4h.
Disable alarm: pull pusher at 4h.
Example, year: signature; shock device
ca. 1955: Junghans 89; Junghans II
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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