FHF-Font 665.9 is a mechanical manual-wind watch caliber known for its relatively large size and reliability, popular in vintage wristwatches. Below is a concise article with key details about the FHF-Font 665.9 watch spare parts to assist watchmakers, restorers, and collectors.
FHF-Font 665.9 Watch Spare Parts
The FHF-Font 665.9 caliber is a manual winding movement featuring a sweep second hand with specifications:
Movement size: 11.5”’ (ligne) or approximately 25.60 mm diameter
Movement height: 3.20 mm
Jewels: 17 or 21 jewels depending on the variant
Function: Manual wind with sweep second hand
Frequency: Typically 18,000 vibrations/hour (A/h)
Key Spare Parts for FHF-Font 665.9
Barrel and Barrel Arbor: Essential for power storage and transmission.
Center Wheel with and without Cannon Pinion: Drives the motion works.
Fourth Wheel & Sweep Second Wheel: Critical for second hand functionality.
Cannon Pinion: Engages with minute wheel and drives hands.
Minute, Hour, and Sweep Second Pinions: Transfer motion for time display.
Regulator Assembly (Flat or Breguet Hairspring): Adjusts precision and beat rate.
Balance Assembly and Staff: Heart of the timekeeping accuracy.
Escape Wheel and Pallet Fork: Regulate movement release.
Stem and Crown: For winding and setting the time.
Winding Pinion and Clutch Wheel: Facilitate winding mechanism.
Date Corrector and Calendar Mechanism: Present in some FHF variants.
Setting Lever and Yoke Assembly: For position selection during winding and setting.
Availability and Usage Notes
Many spare parts for FHF-Font 665.9 are still available from specialized suppliers and online watch parts stores.
Parts such as the winding pinion (Part 410), barrels, balance staffs, and regulators are common replacements.
Due to the vintage nature, some parts may require careful sourcing or custom fabrication.
This caliber is renowned for its durability and widespread use in mid-20th-century wristwatches.
This brief guide provides a reliable reference to FHF-Font 665.9 spare parts, assisting professionals in restoration and part sourcing with confirmed technical specifications and part references.
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Stem, Crown, Hands & Spares might be available for this movement.
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