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Baumgartner 670


Baumgartner 670Baumgartner 670


The large Baumgartner caliber 670 is a rather uncommon pin lever movement. It has got a clutch winding and setting mechanism (very good for service works) and uses a balance, that has got a long regulator arm and a deck jewel. The anchor block allows precise justage, which is helpful on such a high movement.

As usual on Baumgartner movement, on the dial side, the minute wheel and the hour wheel are driven indirectly and are located on the dial side only. The neccessiary friction clutch sits on the mainspring barrel and can be adjusted by a very large hands setting wheel.

According to the Flume K3, this movement, which also has got an integrated indirect center second hand, uses a very unusual beat rate of 17280 beats per hour (4.8 Hertz). Normally, 5 Hz (18000 A/h) are used. 

Baumgartner 670 dial sideBaumgartner 670 dial side


 Technical data

Number of jewels1
Escapementpin lever
Shock protection(s)none
Balance cock directioncounterclockwise
Hairspring studfixed
Regulator typeLong regulator arm
Movement constructionFork
Escapement wheel, Fourth wheel, Third wheel, Mainspring barrel
Center second pinion
Winding mechanismyoke
Setting lever spring1 holes
FunctionsHour, minute, second
Beats per hour17280
Image in Flume Werksucher 1952 24
Baumgartner 670BaumgartnerBaumgartner67013 1/3''''''Baumgartner 6701 Jewels, 13 1/3'''''', 17280 A/h, SCI


Usage gallery

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