Felsa 4057 Watch Spare Parts: Detailed Guide for Collectors and Watchmakers
The Felsa 4057 is a Swiss manual wind watch movement from the renowned Bidynator family. It measures 8.75 lignes (approximately 19.4 mm) in diameter and has a thickness of about 3.7 mm. This calibre operates at 18,000 vibrations per hour (vph) and includes 17 jewels. It features a sweep seconds hand and offers a power reserve of approximately 41 hours. The movement is respected for its precision, robust construction, and slim profile, making it a popular choice for vintage watches.
Key Technical Specifications
Calibre: Felsa 4057
Movement Type: Manual wind
Jewels: 17 synthetic rubies
Frequency: 18,000 vph
Diameter: 19.4 mm (8.75 lignes)
Height: 3.7 mm
Power Reserve: Approximately 41 hours
Functions: Hours, minutes, sweep seconds
Common Spare Parts
Balance Staff: Essential for steady balance wheel oscillations and timekeeping accuracy
Mainspring: New Old Stock (NOS) mainsprings recommended for reliable power delivery and longevity
Stem & Crown: Precise fit necessary for winding and setting the time
Gear Train Components: Center, third, fourth, and escape wheels for smooth mechanical operation
Hands & Dial Components: Compatible hour, minute, and sweep second hands for authentic restoration
Jewels: Synthetic rubies reduce friction and wear on pivots
Clicks & Springs: Ratchet wheels and click springs ensure secure winding and smooth performance
Bridges & Plates: Provide structural support and correct component alignment
Maintenance and Sourcing Tips
Confirm the “4057” calibre marking before ordering parts to ensure compatibility
Use NOS or verified donor parts to maintain watch originality and collector value
Source from reputable vintage watch dealers and trusted online platforms
Employ Swiss-certified lubricants and professional servicing for optimal movement health
Importance of Genuine Spare Parts
Guarantees precision, durability, and preservation of watch authenticity
Maintains collector value and mechanical integrity
Supports expert repairs and reliable daily use
Using genuine spare parts is essential to uphold the Felsa 4057’s legacy as a dependable and precise Swiss manual wind calibre favored by watchmakers and collectors alike.## Felsa 4057 Watch Spare Parts: Detailed Guide for Collectors and Watchmakers
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]
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