


Felsa 780 Watch Spare Parts: Detailed Guide for Collectors and Watchmakers
The Felsa 780 is a Swiss manual wind watch movement recognized for its reliability and compact design. Measuring 8.75 lignes (approximately 19.40 mm) in diameter and 3.70 mm in height, it operates at 18,000 vibrations per hour (vph) and features 17 synthetic jewels. It offers a power reserve of about 41 hours, making it a popular choice for precise, slim wristwatches.
Key Technical Specifications
Calibre: Felsa 780
Movement Type: Manual wind
Jewels: 17 synthetic rubies
Frequency: 18,000 vph
Diameter: 19.40 mm (8.75 lignes)
Thickness: 3.70 mm
Power Reserve: Approximately 41 hours
Functions: Hours, minutes, sweep seconds
Common Spare Parts
Balance Staff: Essential for accurate balance wheel oscillations and timing stability
Mainspring: New Old Stock (NOS) mainsprings recommended for consistent power delivery and longevity
Stem & Crown: Fits precisely for winding and time-setting
Gear Train Components: Includes center wheel, third wheel, fourth wheel, and escape wheel for smooth operation
Hands & Dial Components: Compatible hour, minute, and sweeping seconds hands for proper restoration
Jewels: Synthetic rubies that reduce friction and wear on critical pivots
Clicks & Springs: Ratchet wheels and click springs maintain secure and smooth winding
Bridges & Plates: Structural parts that support and align all components
Maintenance and Sourcing Tips
Verify the “780” calibre number before ordering parts to ensure compatibility
Use NOS or verified donor parts to preserve watch originality and collector value
Source from trusted vintage watch parts dealers and specialized online platforms
Employ Swiss-certified lubricants and professional servicing for optimal lifespan
Importance of Genuine Spare Parts
Guarantees precision, durability, and authenticity preservation
Maintains the watch’s collector appeal and mechanical integrity
Supports professional repairs and reliable daily use
Using genuine spare parts is vital to maintain the Felsa 780’s legacy as a reliable Swiss manual wind calibre favored by watchmakers and collectors 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