Felsa 4058 Watch Spare Parts: Detailed Guide for Collectors and Watchmakers
The Felsa 4058 is a Swiss manual wind watch movement from the Bidynator family, known for its precise timekeeping and reliability. It measures 8.75 lignes (approximately 19.4 mm) in diameter with a thickness of 4.00 mm. The calibre operates at 18,000 vibrations per hour (vph) and is equipped with 17 jewels. It features sweep seconds and a date function, offering a power reserve of about 41 hours. The 4058 is closely related to the 4057 model but includes the added date complication.
Key Technical Specifications
Calibre: Felsa 4058
Movement Type: Manual wind
Jewels: 17 synthetic rubies
Frequency: 18,000 vph
Diameter: 19.40 mm (8.75 lignes)
Thickness: 4.00 mm
Power Reserve: Approximately 41 hours
Functions: Hours, minutes, sweep seconds, date
Common Spare Parts
Balance Staff: Crucial for stable oscillations and accurate timekeeping
Mainspring: New Old Stock (NOS) mainsprings recommended for consistent power delivery
Stem & Crown: Precise fitting required for winding, setting, and date function
Gear Train Components: Center, third, fourth, and escape wheels ensure smooth gear transmission
Date Mechanism Parts: Date wheel, jumper springs, and quickset components
Hands & Dial Components: Compatible hour, minute, sweep seconds hands, and date display parts
Jewels: Synthetic rubies reduce friction and wear on pivots
Clicks & Springs: Ratchet wheels and click springs maintain smooth and secure winding
Bridges & Plates: Provide structural support and correct alignment of components
Maintenance and Sourcing Tips
Confirm the “4058” calibre marking before ordering parts to ensure compatibility
Use NOS or verified donor parts to retain watch originality and collector value
Source parts from trusted vintage watch dealers and reliable online platforms
Employ Swiss-certified lubricants and professional servicing for longevity
Importance of Genuine Spare Parts
Ensures precision, longevity, and preservation of authenticity
Maintains collector appeal and mechanical integrity
Supports expert repairs and dependable everyday use
Using genuine spare parts is essential to uphold the Felsa 4058’s legacy as a precise and reliable Swiss manual wind calibre favored 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