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Certified Pre-Owned Watch Program

AS 445 7- 1635 Parking Lever Spring 1654, Dugena 1017 Watch Movement Part NOS

Regular price $8.99

Only 9 in stock

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Packaged Watch Setting Bridge AS Cal. 1635 Part#445 Size 7 Ligne

internet spec. for information only.

The self winding caliber AS 1654 is with a diameter of only seven lignes, which equals less that 16mm, one of the smallest self windig movements ever made. It was launched round 1960 and is similar to the AS 1635, but with an increased beat rate.

Technical data

Manufacturer: AS
Caliber: 1654
Size: 7'''
A/h: 21600
Number of jewels: 23?
Escapement: Pallet lever
Balance types: Nickel screw balance
Shock protection(s): Incabloc
Balance bearing / direction hairspring: Clockwise
Moveable stud: yes
Adjust mechanism: Hairspring key
  • lever
  • escape wheel, seconds wheel, third wheel
  • center minute wheel
  • mainspring barrel
  • SCD (direct center seconds)
  • AUT (selfwinding)
References: Flume: 1962 83


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