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Baumgartner 930

 
Baumgartner 930
 

Description

One of the ever made smallest pin lever movements is the Baumgartner caliber 930. According to Flume, it has got a diameter of only 6 3/4 lignes; if you measure it, it's exactly 7 lignes. With its construction, it very much reminds of small anchor lever movements, such as the ETA 2412.

With seventeen jewels, among them a number of deck jewels, which are fixed in kind of chatons, with a coupling winding mechanism and partially polished plates, it is certainly among the best Baumgartner pin lever movements.

As usual on Baumgartner, this movement does not have a minute wheel, but the minute- and hour hands are indirect driven by the mainspring barrel.
 

Dial Side View

 

Technical data

Manufacturer Baumgartner
Caliber 930
Number of jewels 17
Escapement pin lever
Balance Nickel
Shock protection(s) none
Balance cock direction counterclockwise
Hairspring stud moveable
Regulator type Hairspring key
Movement construction Fork
Escapement wheel, Fourth wheel, Third wheel, Large driving wheel
Mainspring barrel
Functions Hour, minute
Beats per hour 18000
Size 7'''
Image in Flume Werksucher  K3 60

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