FEF-Fleurier 6631 Watch Spare Parts: Comprehensive Guide for Collectors and Watchmakers
The FEF-Fleurier 6631 is a Swiss manual wind watch movement known for its accuracy and robust build. It measures 5.75 x 6.75 lignes (approximately 13.05 x 15.15 mm) with a thickness of 3.50 mm. Featuring 17 to 21 jewels, it operates at a frequency of 21,600 vibrations per hour (vph), offering a power reserve near 45 hours. The calibre utilizes a pallet lever escapement and a yoke winding system with a setting-lever button, part of the respected Fleurier family of calibres.
Key Technical Specifications
Calibre: FEF-Fleurier 6631
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 with setting-lever button
Common Spare Parts
Balance Staff: Crucial for proper balance wheel oscillation and timing precision
Mainspring: New Old Stock (NOS) preferred for consistent power and durability
Stem & Crown: Exact fit necessary for smooth winding and hand setting
Gear Train Components: Center, third, fourth, and escape wheels for efficient gear train operation
Clicks & Springs: Ratchet wheels and clicks secure reliable winding and setting
Jewels: Synthetic rubies reduce wear and friction on key pivots
Bridges & Plates: Ensure structural stability and precise component alignment
Maintenance and Sourcing Tips
Confirm the “FEF 6631” calibre marking before ordering parts for exact compatibility
Use NOS or trusted donor parts to maintain watch originality and longevity
Source parts from specialized vintage watch parts suppliers or reputable dealers
Employ professional servicing and appropriate Swiss lubricants for optimal running conditions
Importance of Genuine Spare Parts
Guarantees mechanical precision, reliability, and authenticity
Preserves collector value and original watch function
Supports expert restoration and enduring daily functionality
Genuine spare parts are essential to preserving the FEF-Fleurier 6631’s legacy as a precise and durable calibre 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