FEF-Fleurier 6640 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The FEF-Fleurier 6640 is a miniature Swiss manual wind movement highly regarded for its quality and precision. It measures just 4 x 6 lignes (10.4 x 14.3 mm), making it one of the smallest yet meticulously crafted ladies’ watch calibres. Built robustly with a solid construction, this movement features 17 jewels, a pallet lever escapement, and runs at 21,600 vibrations per hour (vph). It includes a Glucydur anular balance with Incabloc shock protection, emphasizing reliability despite its petite size.
Key Technical Specifications
Calibre: FEF-Fleurier 6640
Movement Type: Manual wind
Jewels: 17 synthetic rubies
Size: 4 x 6 lignes (10.4 x 14.3 mm)
Height: Approximately 3.2 mm
Frequency: 21,600 vph
Escapement: Pallet lever
Balance: Glucydur anular balance (three legs)
Shock Protection: Incabloc
Winding System: Yoke winding system
Common Spare Parts
Balance Staff: Critical for smooth oscillations and accuracy
Mainspring: NOS (New Old Stock) mainsprings recommended for reliable power delivery
Stem & Crown: Precise fitting stems and crowns ensure smooth winding and hand setting
Gear Train Components: Center, third, fourth, and escape wheels facilitate seamless power transfer
Clicks & Springs: Ratchet wheels and click springs secure reliable winding action
Jewels: Synthetic rubies reduce friction and protect pivots from wear
Hands: Period-appropriate hour and minute hands emphasize vintage authenticity
Bridges & Plates: Provide structural stability and proper component alignment
Maintenance and Sourcing Tips
Confirm the “FEF 6640” marking before ordering parts to guarantee exact compatibility
Use NOS or verified donor parts to preserve originality and durability
Source from specialized vintage watch parts dealers or reputable suppliers
Employ Swiss-certified lubricants and expert servicing for optimal performance
Importance of Genuine Spare Parts
Ensures precise mechanical function, durability, and authenticity
Maintains collector value and watch integrity
Supports expert restoration and dependable everyday wear
Genuine spare parts are essential to maintain the FEF-Fleurier 6640’s reputation as a precise and enduring manual wind movement highly valued by collectors and watchmakers alike.
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