Favre-Leuba FL 275 Watch Spare Parts: Expert Overview for Collectors and Watchmakers
The Favre-Leuba FL 275 is a Swiss manual-wind mechanical movement from the esteemed 11.5 ligne calibre family, widely used in vintage Favre-Leuba watches. It is noted for its high reliability and robust construction. The FL 275 features 17 synthetic jewels, operates at a frequency of 18,000 vibrations per hour (vph), and delivers an approximate power reserve of 48 hours. Its dimensions include a diameter of 25.60 mm and a height of about 3.10 mm. The calibre is famed for its sweep seconds hand and classic mechanical precision, making it a favored choice among collectors and watchmakers.
Key Technical Specifications
Type: Manual wind mechanical
Calibre: FL 275
Jewels: 17 synthetic rubies
Diameter: 25.60 mm
Height: 3.10 mm
Frequency: 18,000 vibrations per hour
Power Reserve: Approximately 48 hours
Functions: Sweep seconds
Common Spare Parts
Balance Staff: Part number 723, widely used in the FL series, critical for ensuring precision
Mainspring: Replacement mainsprings compatible with FL 275 and sibling calibres, essential for steady power output
Stem & Crown: Winding stems and crowns designed specifically for the 11.5 ligne case
Hands & Dial Components: Includes sweep seconds, hour, and minute hands; dial feet; NOS and donor parts preferred for authenticity
Gear Train: Center, third, fourth, and escape wheels compatible within the FL calibre family
Jewels: Synthetic rubies that reduce wear and friction on pivots
Plates & Bridges: Structural components necessary for servicing and repairs
Clicks & Springs: Click springs and ratchets ensure reliable winding mechanism action
Maintenance and Sourcing Tips
Confirm the “FL 275” marking on the movement before ordering parts for compatibility
Use New Old Stock (NOS) or authentic donor parts to maintain watch originality and value
Source parts from specialist vintage dealers, reputable online stores, and watchmaker forums
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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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