Felsa 4009 Watch Spare Parts: Comprehensive Guide for Collectors and Watchmakers
The Felsa 4009 is a Swiss automatic watch movement produced from 1975 to 1978, featuring an integrated automatic gear placed inside the movement. It measures 11.5 lignes (approximately 26.3 mm) in diameter and 6.3 mm in height. The calibre offers 17 to 30 jewels, runs at 18,000 vibrations per hour (vph), and includes automatic winding, a sweep second hand, and a quickset date function. Its durable rotor bearing and low profile make it a preferred calibre for vintage wristwatch restoration and collectors.
Key Technical Specifications
Calibre: Felsa 4009
Type: Automatic mechanical
Jewels: 17 to 30 synthetic rubies
Frequency: 18,000 vph
Diameter: 26.3 mm
Height: 6.3 mm
Power Reserve: Approximately 44 hours
Functions: Automatic winding, sweep seconds, quickset date
Common Spare Parts
Balance Staff: Vital for stable oscillations and precise timekeeping
Mainspring: New Old Stock (NOS) mainsprings recommended for reliable power delivery
Rotor & Bearings: Essential for bi-directional winding efficiency
Stem & Crown: Precision fit required for winding, setting, and date adjustment
Date Components: Date wheel, jumper springs, and quickset mechanism parts
Gear Train Components: Center, third, fourth, and escape wheels for smooth power transmission
Hands & Dial Components: Compatible hour, minute, and sweep second hands for authentic restoration
Jewels: Synthetic rubies reduce friction at critical pivots
Clicks & Springs: Secure ratchet wheels and click springs maintain winding security
Bridges & Plates: Provide structural support and correct alignment
Maintenance and Sourcing Tips
Verify the “4009” calibre marking before ordering parts to ensure compatibility
Use NOS or trusted donor parts to maintain authenticity and collector value
Source components from reputable vintage watch part dealers and trusted online platforms
Employ Swiss-certified lubricants and expert servicing for optimal longevity
Importance of Genuine Spare Parts
Guarantees accuracy, durability, and preservation of authenticity
Maintains the watch’s collector appeal and mechanical performance
Supports expert repairs and dependable daily wear
Using genuine spare parts is essential to preserve the Felsa 4009’s legacy as a highly reliable and sophisticated Swiss automatic calibre treasured 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