Felsa 90 Watch Spare Parts: Comprehensive Guide for Collectors and Watchmakers
The Felsa 90 is a vintage Swiss manual wind watch movement, distinguished by its compact, durable build and unique technical features. Produced around the 1940s to 1950s, it features 10 synthetic jewels and operates at a frequency of 18,000 vibrations per hour (vph). The calibre uses a cylinder escapement and a nickel anular balance, reflecting craftsmanship suited for small ladies’ watches of that era. Its rocking bar winding system and patented fast releasing mainspring barrel add to its mechanical refinement.
Key Technical Specifications
Calibre: Felsa 90 (new)
Movement Type: Manual wind
Jewels: 10 synthetic rubies
Frequency: 18,000 vph
Size: 5 1/4”’ (measuring 19.6 x 12.6 mm)
Escapement: Cylinder
Balance: Nickel anular balance
Winding Mechanism: Rocking bar
Shock Protection: None
Essential Spare Parts
Balance Staff: Vital for consistent oscillation and timing accuracy
Mainspring: New Old Stock (NOS) mainsprings preferred for reliability and longevity
Stem & Crown: Requires exact fit for winding and setting functions
Gear Train Components: Includes center, third, fourth, and escape wheels critical for smooth power transmission
Hands & Dial Components: Authentic hour, minute, and sub-seconds hands with compatible dial feet
Jewels: Synthetic rubies at pivot points reduce friction and wear
Clicks & Springs: Ratchet wheels and click springs ensure secure winding
Bridges & Plates: Provide stability, part alignment, and structural integrity
Maintenance and Sourcing Tips
Verify the “Felsa 90” calibre marking before ordering spare parts to ensure compatibility
Opt for NOS or verified donor parts to safeguard originality and collector value
Utilize specialized vintage watch part dealers and credible online platforms for sourcing
Employ Swiss-certified lubricants and professional servicing for optimal operation and lifespan
Importance of Genuine Spare Parts
Maintains precision, durability, and historical authenticity
Preserves the watch’s collectible appeal and mechanical excellence
Supports expert restoration and reliable daily wear
Sourcing genuine spare parts is essential to preserve the Felsa 90’s legacy as a reliable, beautifully-engineered Swiss movement treasured 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