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AHS 43
AHS 43
AHS 43

Description

The AHS 43 is another part of the 40er movement series by August Hirsch of Schwenningen.

For a true pin lever movement, it is astonishing well made with its balance staff with pivots (not shock protected) and the indirectly driven center second, which is ruby-beared below an own cock. The long regulator arm, which sets the effective length of the hairspring is also an unusual feature for pin lever movements.

The dial side in nevertheless typical for a simple movement: The winding system is realized as rocking bar and the mainspring click is just a simple spring.

The large cutout around the escapement is very helpful for a proper service of the escapement pins.

dial side view
dial side view

Technical data

Manufacturer

AHS

Caliber

43

Number of jewels

5

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
Center second pinion

Features

SCI

Functions

Hour, minute, second

Beats per hour

18000

Size

101/2'''

Image in Flume Werksucher 

1957 42

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