Felsa 781 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The Felsa 781 is a Swiss manual wind watch movement valued for its precision and robust construction. As part of the classic Felsa family, it measures 8.75 lignes (19.40 mm) in diameter and has a thickness of approximately 3.30 mm. This calibre features 17 jewels and operates at a frequency of 18,000 vibrations per hour (vph). Known for its sweeping seconds function and durable Incabloc shock protection, the Felsa 781 remains a favorite among vintage watch collectors and watchmakers.
Key Technical Specifications
Calibre: Felsa 781
Movement Type: Manual wind
Jewels: 17 synthetic rubies
Frequency: 18,000 vph
Diameter: 19.40 mm (8.75 lignes)
Thickness: 3.30 mm
Functions: Hours, minutes, sweeping seconds
Shock Protection: Incabloc
Common Spare Parts
Balance Staff: Vital for stable balance wheel oscillations and precise timekeeping
Mainspring: Preferably New Old Stock (NOS) mainsprings for reliable power delivery
Stem & Crown: Precision fit necessary for smooth winding and time setting
Gear Train Components: Center, third, fourth, and escape wheels for efficient power transmission
Hands & Dial Components: Compatible hour, minute, and sweeping second hands for authentic restoration
Jewels: Synthetic rubies reduce friction and extend component longevity
Clicks & Springs: Ratchet wheels and click springs secure winding and ensure smooth operation
Bridges & Plates: Provide structural support and proper alignment of movement parts
Maintenance and Sourcing Tips
Verify the “781” calibre marking before ordering parts for compatibility
Use NOS or verified donor parts to preserve originality and collector value
Source parts from reputable vintage watch dealers and trusted online suppliers
Employ Swiss-certified lubricants and expert servicing for movement longevity
Importance of Genuine Spare Parts
Guarantees mechanical accuracy, durability, and authenticity preservation
Maintains the watch’s collector appeal and operational integrity
Supports expert repairs and reliable daily use
Using genuine spare parts is critical to preserving the Felsa 781’s legacy as a precise and reliable Swiss manual wind calibre cherished 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