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AS 1240
AS 1240


The AS 1240, probably made in the late 1940ies was a very nice ladies' watch movement, which already had the ultra modern center second indication.

The center second is directly driven in the two-storied construction. This is not only technically interesting (for example because of the very long axle of the anchor wheel), but also visually very appealing because of the nicely top plate with its strips and its angled edges.

The nickel screw balance is secured by a two-thigh shock protection system, maybe of the type Monorex. This is an indication for its old age, too. 

Technical data

Manufacturer AS
Caliber 1240
Number of jewels 15
Escapement Anchor with pallets
Balance Nickel screw balance
Shock protection(s) MOR?
Balance cock direction counterclockwise
Hairspring stud fixed
Regulator type Long regulator arm
Movement construction Fork
Escapement wheel, Fourth wheel, Third wheel
Center wheel
Mainspring barrel
Features SCD
Functions Hour, minute, second
Beats per hour 18000
Size 83/4'''
Image in Flume Werksucher  1952 2

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