FEF-Fleurier 6665.1 ST Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The FEF-Fleurier 6665.1 ST is a distinguished Swiss manual wind watch movement highly regarded for its precision and craftsmanship. This calibre measures approximately 6.75 x 8 lignes (around 15.35 x 18.20 mm) and features 17 jewels. It operates at a frequency of 21,600 vibrations per hour (vph), offering a reliable power reserve of about 47 hours. The “ST” suffix indicates a specific technical version, often with enhanced features such as stem winding and setting, making it suitable for finely crafted vintage wristwatches.
Key Technical Specifications
Calibre: FEF-Fleurier 6665.1 ST
Movement Type: Manual wind
Jewels: 17 synthetic rubies
Dimensions: Approximately 6.75 x 8 lignes (15.35 x 18.20 mm)
Frequency: 21,600 vph
Power Reserve: Around 47 hours
Escapement: Swiss pallet lever
Winding Setting: Stem winding and setting (ST)
Common Spare Parts
Balance Staff: Crucial for maintaining stable balance oscillations and accurate timing
Mainspring: New Old Stock (NOS) mainsprings recommended for consistent power and longevity
Stem & Crown: Precision-fit parts essential for smooth winding and hand setting
Gear Train Components: Center, third, fourth, and escape wheels for smooth power transmission
Clicks & Springs: Ratchet wheels, click springs, and setting levers ensure reliable winding and setting mechanisms
Jewels: Synthetic rubies minimize friction, reducing wear on pivot points
Hands: Period-appropriate hour and minute hands preserve vintage authenticity
Bridges & Plates: Provide structural stability and ensure precise alignment
Maintenance and Sourcing Tips
Verify the “FEF 6665.1 ST” calibre marking before ordering parts to ensure compatibility
Utilize NOS or approved donor parts to retain watch originality and reliable function
Source from specialized vintage watch parts dealers or reputable suppliers
Employ professional servicing and use Swiss-certified lubricants for optimal functionality
Importance of Genuine Spare Parts
Guarantees precise mechanical operation, durability, and authenticity
Maintains original appearance and collector value
Supports expert restoration and dependable everyday use
Authentic spare parts are vital to preserve the FEF-Fleurier 6665.1 ST’s legacy as a precise and durable manual wind calibre cherished in the world of vintage horology.
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340