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Bifora 91/1

 
Bifora 91/1
 

Description

This movement is full of rust, but is still working and is still pretty reliable.

The Bifora 91/1 is available in two versions, one with fully integrated, indirectly driven center second and the other with a decentral small sub second. Both versions use the same plates.

Like many Bifora movements, this one uses a Bi-shock shock protection system. It can only be found in Bifora movements.

On the dial side, there's a yoke winding system. 

version with subseconds

 
dial side view, version with 15 jewels

Technical data

Manufacturer Bifora
Caliber 91/1
Number of jewels 15/17
Escapement Anchor with pallets
Balance Nickel
Shock protection(s) Bidlingmaier (Bifora)
Balance cock direction clockwise
Hairspring stud moveable
Regulator type Hairspring key
Movement construction Fork
Escapement wheel, Fourth wheel, Third wheel, Center wheel
Third wheel, Center second pinion
Mainspring barrel
Features SCI(s)
Functions Hour, minute, second(ss)
Beats per hour 18000
Size 93/4'''
Image in Flume Werksucher  K3 18

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