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Förster 51


Förster 51Förster 51


In the late 1950ies, the german manufactury Förster released a quite modern manual wind movement for gents' watches, which already had a screw-less anular balance.

base platebase plate

As it should be for a good lever movement, all important bearings are here equipped with rubies. Center minute wheel and mainspring barrel don't run in rubies, since they rotate too slow.

minute wheel with cockminute wheel with cock

In the fifties, it was state of the art to use a directly driven center minute wheel, which is beared under an own cock.

gear traingear train

Not only the minute wheel is directly driven, but also the center second wheel.

Side view of the gear trainSide view of the gear train

The Förster 51 uses a screw-less anular balance, which is beared in two inhouse Elastor-Förster shock protections and beats with 18000 A/h. It regulates a conventional pallet lever movement of swiss type.

Förster 51: Dial sideFörster 51: Dial side

The Förster 51 not only uses three cap jewels on the gear train bridge, but also two cap jewels on the dial side, so that in total, 21 jewels are counted. Why the lever axle, which is olied, has got a cap jewel instead of the third gear, is unknown.




 Technical data

Number of jewels21
EscapementAnchor with pallets
Shock protection(s)ELA.
Balance cock directioncounterclockwise
Hairspring studfixed
Regulator typeHairspring key
Movement constructionFork
Escapement wheel, Fourth wheel, Third wheel
Center wheel
Mainspring barrel
Construction typesolid construction
Winding mechanismyoke
FunctionsHour, minute, second
Beats per hour18000
Size101/2''' (measured: 23,3 mm)
Image in Flume Werksucher 1958 b.32
Inventory ID 17040
Förster 51FörsterFörster5110 1/2'''Förster 5121 Jewels, 10 1/2''', 18000 A/h, SCD




This movement is a kind donation from Rolf-Jürgen. Thank you very much for the support of the movement archive!