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AS 1748/49

 
AS 1748/49
 

Description

In the 1960's, AS experimented to find out if a winding mechanism, winding in both directions is better, than a winding mechanism, winding only in one direction. For this, in that movement, the winding mechanism was an exchangeable module, located between "6" and "7".

In the movement shown here, a caliber 1749, which extended the base caliber AS 1748 by a date mechanism, the winding module for only one direction was built in and so the movement winds only counterclockwise

Technical data

Manufacturer AS
Caliber 1748/49
Number of jewels 25
Escapement Anchor with pallets
Balance Nickel
Shock protection(s) Incabloc
Balance cock direction clockwise
Hairspring stud moveable
Regulator type Hairspring key
Features SCD,QG,AUT
Functions Hour, minute, second, day, self-winding
Beats per hour 18000
Size 111/2'''
Image in Flume Werksucher  K3 184

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