AHS 43

AHS 43 | 17jewels.info - The Movement Archive

AHS 43


The AHS 43 is another part of the 40er movement series by Alfred 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.

AHS 43: AHS 43 Zifferblattseite

AHS 43 Zifferblattseite

Technical data

Size:10 1/2'''
Number of jewels:5
Escapement:Pin lever
Balance types: Nickel anular balance
Shock protection(s): none
Balance bearing / direction hairspring:Clockwise
Moveable stud:no
Adjust mechanism:Long regulator arm
  • lever, escape wheel, seconds wheel, third wheel, center minute wheel, mainspring barrel
  • center second pinion
  • SCI (indirect center seconds)
References: Flume: 1957 42

Usage gallery

AHS 43: Selecta de Luxe mens' watch

Selecta de Luxe mens' watch