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AHS 43

AHS 43AHS 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.

AHS 43 ZifferblattseiteAHS 43 Zifferblattseite


 Technical data

ManufacturerAHS
Caliber43
Number of jewels5
Escapementpin lever
BalanceNickel
Shock protection(s)none
Balance cock directionclockwise
Hairspring studfixed
Regulator typeLong regulator arm
Movement constructionFork, Escapement wheel, Fourth wheel, Third wheel, Center wheel, Mainspring barrel
Center second pinion
FeaturesSCI
FunctionsHour, minute, second
Beats per hour18000
Size101/2'''
Image in Flume Werksucher 1957 42
AHS 43AHSAHS4310 1/2''''''AHS 435 Jewels, 10 1/2'''''', 18000 A/h, SCI
Factsheet

 

Usage gallery

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