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

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Only 7 in stock

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


📌 Description

Packaged original AS Caliber 1635 watch setting bridge, Part #445. Size: 7 ligne. Information below is provided from internet specifications for reference only.

The related self‑winding caliber AS 1654 has a diameter of only seven lignes (less than 16mm), making it one of the smallest automatic movements ever produced. Introduced around 1960, it is similar to the AS 1635 but features an increased beat rate.


⚙️ Technical Data (AS 1654 Reference)

Manufacturer: AS
Caliber: 1654
Size: 7'''
A/h: 21600
Jewels: 23?
Escapement: Pallet lever
Balance Type: Nickel screw balance
Shock Protection: Incabloc
Hairspring Direction: Clockwise
Moveable Stud: Yes
Adjust Mechanism: Hairspring key
Construction:
  • Lever
  • Escape wheel, seconds wheel, third wheel
  • Center minute wheel
  • Mainspring barrel
Features:
  • SCD (direct center seconds)
  • AUT (self‑winding)
Reference: Flume 1962 / Page 83

⚠️ Buyer Reminder

This listing is for the setting bridge part only. Technical data is provided for reference and may not apply to all versions. Please confirm compatibility with your watchmaker.


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