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AS 1187
AS 1187
AS 1187


The AS 1187 is an old movement can be seen as the precessor of several modern movements, such as the caliber 1686.

Since it offers a directly driven center second hand and uses a large minute wheel, it had to be constructed in two layers, resulting in a large height.

With its screw balance, secured in an Incabloc-Shock protection system, with its large regulator arm and the yoke winding system on the dial side, it was a classically made movement.

dial side view
dial side view

Technical data

Manufacturer AS
Caliber 1187
Number of jewels 15
Escapement Anchor with pallets
Balance Nickel screw balance
Shock protection(s) Incabloc
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 101/2'''
Image in Flume Werksucher  1952 7

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