Arogno 2

 
Arogno 2 |

Arogno 2

Description

A very old handwinding movement with cylinder escapement is the Arogno 2, which was made probably in the 1920ies.

On the movement side, you see the typical attributes of an old cylinder movement: Slanted bridges, a safety clutch in an antique shape, a non shock protected balance with long regulator arm on the cock and of course the gilt color of the plates.

Arogno 2: Arogno 2 dial side

Arogno 2 dial side

On the dial side, this unmarked movement offers a small surprise: Here, a yoke winding system is used already - without pin for function chance (winding vs. time setting).


Technical data

Manufacturer:Arogno
Caliber:2
Size:9''' (measured: 19,6mm)
A/h:18000
Number of jewels:10
Escapement:Cylinder
Shock protection(s):none
Balance bearing / direction hairspring:Counterclockwise
Moveable stud:no
Adjust mechanism:Long regulator arm
Construction:
  • escape wheel
  • seconds wheel, third wheel, center minute wheel
  • mainspring barrel
Winding mechanism:yoke winding system
References:Flume: 1947 96
Hint: The jewel count, the types of balances used, and the shock protections employed refer only to the specimens held in the archive and are therefore not relevant for the precise identification of the movement.

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