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AHS 40
AHS 40
AHS 40

Description

The AHS caliber 40 is a simple, 10 1/2 ligne pin lever movement, made in Germany in the 1950ies. It was available in different versions, among them the one displayed here with a pointed staff and double plate.

There's no shock protection and also no jewels in the movement; the gears run in brass bearings, probably a preparation for other calibers, which were partially equipped with rubies.

On the dial side, there's of course only a simple rocking bar winding mechanism and only a spring for the winding mechanism. This spring had to be replaced on the movement displayed here. Fortunately, it was compatible with other movements of AHS.

The movement displays hour and minute, and there's also a sub-second indication at position "6".

dial side view
dial side view


Technical data

Manufacturer

AHS

Caliber

40

Number of jewels

0

Escapement

pin lever

Balance

Nickel

Shock protection(s)

none

Balance cock direction

clockwise

Hairspring stud

fixed

Regulator type

Long regulator arm

Movement construction

Fork, Escapement wheel, Fourth wheel, Third wheel, Center wheel, Mainspring barrel

Features

s

Functions

Hour, minute, small second

Beats per hour

18000

Size

101/2'''

Image in Flume Werksucher 

1962 26

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