FEF-Fleurier 6620 Watch Spare Parts: Detailed Guide for Collectors and Watchmakers
The FEF-Fleurier 6620 is a Swiss manual wind watch movement known for its precision and reliable craftsmanship. It measures 5.75 x 6.75 lignes (approximately 13.05 x 15.15 mm) with a thickness of 3.50 mm. This calibre features 17 to 21 jewels, operates at a frequency of 21,600 vibrations per hour (vph), and offers a power reserve of around 45 hours. It belongs to the respected Fleurier family of movements, featuring a pallet lever escapement and a yoke winding system, making it highly sought after in vintage watch restoration.
Key Technical Specifications
Calibre: FEF-Fleurier 6620
Movement Type: Manual wind
Jewels: 17 to 21 synthetic rubies
Dimensions: 5.75 x 6.75 lignes (13.05 x 15.15 mm)
Thickness: 3.50 mm
Frequency: 21,600 vph
Power Reserve: Approximately 45 hours
Escapement: Pallet lever
Balance: Nickel screw balance
Winding System: Yoke winding
Common Spare Parts
Balance Staff: Critical for precise balance oscillation and timing accuracy
Mainspring: New Old Stock (NOS) mainsprings recommended for steady power delivery
Stem & Crown: Precision fit essential for smooth winding and hand setting
Gear Train Components: Center, third, fourth, and escape wheels for efficient power transmission
Clicks & Springs: Ratchet wheels, click springs, and setting levers ensure secure winding and reliable setting
Jewels: Synthetic rubies reduce friction and wear at key pivot points
Bridges & Plates: Provide structural stability and maintain alignment
Maintenance and Sourcing Tips
Confirm “FEF 6620” calibre marking before ordering parts to ensure compatibility
Use NOS or trusted donor parts for authenticity and longevity
Source from reputable vintage watch parts dealers or specialist suppliers
Use Swiss-certified lubricants and professional servicing for optimal function
Importance of Genuine Spare Parts
Ensures precise mechanical operation, durability, and originality
Maintains collector value and movement integrity
Supports expert restoration and dependable daily wear
Using genuine spare parts is crucial for preserving the FEF-Fleurier 6620’s performance and heritage, making it a prized calibre among 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