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DuRoWe 89

 
DuRoWe 89 |

DuRoWe 89

Description

The ladies’ watch form movement DuRoWe 89 was a typical representative of that category, which was extremely popular in the 1960ies and 1970ies.

Noteworthy on this movement is, that minute wheel, third wheel and fourth wheel are arranged on one line.

The rest of this movement is business as usual: Shock protected ring balance (beared in inhouse Duro-Swing shock protections), pallet anchor escapement, hairspring with moveable stud, regulation only directly on the hairspring key and one cap jewel for the escapement wheel.

DuRoWe 89: Durowe 89 dial side

Durowe 89 dial side

On the dial side, you see the yoke winding system (unfortunately incomplete on the specimen shown here).

Technical data

Manufacturer:DuRoWe
Caliber:89
Size:6 3/4 x 8''' (measured: 15,0 x 17,8mm)
A/h:18000
lift angle:55.65°
Number of jewels:17
Escapement:Pallet lever
Balance types:Nickel anular balance
Shock protection(s):Duro-Swing
Balance bearing / direction hairspring:Counterclockwise
Moveable stud:yes
Adjust mechanism:Hairspring key
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel, center minute wheel
  • mainspring barrel
Winding mechanism:yoke winding system
References:Flume: K3 86
Mentioning in literature (years):1964 - 1968
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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