Felsa 781 Watch Spare Parts: Comprehensive Guide for Collectors and Watchmakers
The Felsa 781 is a Swiss manual wind watch movement highly valued for its precision and durability. It belongs to the Felsa 700 series, measuring 8.75 lignes (19.40 mm) in diameter, with a thickness of approximately 3.30 mm. This calibre features 17 jewels and operates at 18,000 vibrations per hour (vph). It is known for its sweep seconds feature and robust Incabloc shock protection, making it a popular choice among vintage watch collectors and professional 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: Essential for steady oscillations and accurate timekeeping
Mainspring: New Old Stock (NOS) mainsprings ideal for reliable power delivery
Stem & Crown: Precision fit ensures smooth winding and setting
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 to reduce friction and wear
Clicks & Springs: Ratchet wheels and click springs secure the winding mechanism
Bridges & Plates: Provide structural support and proper alignment
Maintenance and Sourcing Tips
Verify the “781” calibre marking to ensure correct parts ordering
Prefer NOS or verified donor parts to maintain originality and collector value
Source parts from reputable vintage watch dealers and trusted online platforms
Use Swiss-certified lubricants and seek professional servicing for longevity
Importance of Genuine Spare Parts
Guarantees precision, durability, and authenticity
Maintains collector appeal and mechanical integrity
Supports expert repairs and reliable use
Using genuine spare parts is vital to maintain the Felsa 781’s reputation as a precise and durable 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