Junghans 623.20

 
Junghans 623.20 | 17jewels.info - The Movement Archive

Junghans 623.20

Description

This movement is a direct relative of the caliber Junghans 625.20 full plate construction, not very easy to maintain, but is probably the top and the end of the mechanical movement production at Junghans.

Junghans 623.20: Junghans 623.20 dial side

Junghans 623.20 dial side

Technical data

Manufacturer:Junghans
Caliber:623.20
Size:11 1/2'''
A/h:21600
Number of jewels:17
Escapement:Pallet lever
Balance types: Nickel anular balance
Shock protection(s): Star-Shock
Balance bearing / direction hairspring:Clockwise
Moveable stud:yes
Adjust mechanism:Hairspring key
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel, mainspring barrel
  • center minute wheel
Winding mechanism:yoke winding system
Features:
  • SCD (direct center seconds)
  • QG (date indication (aperture))
  • RDR (date corrector)