FHF-Font 909 Watch Spare Parts: Essential Insights for Watchmakers and Collectors
The FHF-Font 909 is a distinctive automatic watch movement known for its advanced features and durability, making it a valued caliber among vintage watch enthusiasts and repair professionals. Understanding the specific spare parts for the FHF-Font 909 is critical for effective restoration and maintenance.
Key Characteristics of FHF-Font 909 Movement
The caliber 909 features a unique self-winding mechanism without a manual wind base, an uncommon design in vintage movements.
It boasts 25 jewels, including ruby bearings even in the minute wheel, enhancing precision and durability.
The movement measures 11 1/2 lignes (approximately 25.6mm) in diameter with a height of about 6mm.
Operating frequency is 21,600 vibrations per hour (A/h), with an Incabloc shock protection system and a nickel anular balance wheel.
Essential Spare Parts for FHF-Font 909
Barrel and Cover: Original Swiss factory parts like the barrel and cover number 182 are crucial for mainspring replacement and maintaining the power reserve integrity.
Winding Stems and Tirette Springs: These small yet vital components ensure proper winding and setting functions. Various winding stems suitable for FHF calibers are available, often in original packaging, with some parts specific to FHF 909.
Date Correcting Mechanism Components: The FHF 909 has an interesting rate ring with teeth underneath that engage with the crown stem sprocket, enabling precise date adjustment.
Other Gear Train Parts: Including a directly driven center minute wheel, third wheel, center seconds wheel, and a delicate escape wheel, some parts might require exact matching due to the old-fashioned gear train design.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
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