Felsa 4008 Watch Spare Parts: Comprehensive Guide for Collectors and Watchmakers
The Felsa 4008 is a Swiss automatic watch movement from the renowned Bidynator series, known for its day-date functionality and reliable performance. It measures 11.5 lignes (approximately 26.00 mm) in diameter with a height of 6.30 mm. The calibre features between 17 to 30 synthetic jewels and operates at 18,000 vibrations per hour (vph), offering a power reserve of around 44 hours. The day and date are set by changing the time between 21 and 24 hours, providing convenience and precision for wearers.
Key Technical Specifications
Calibre: Felsa 4008
Movement Type: Automatic, mechanical with sweep seconds, day and date complications
Jewels: 17 to 30 synthetic rubies
Frequency: 18,000 vph
Diameter: 26.00 mm
Height: 6.30 mm
Power Reserve: Approximately 44 hours
Functions: Hours, minutes, sweep seconds, day, quickset date
Common Spare Parts
Balance Staff: Vital for consistent oscillations and accurate timing
Mainspring: New Old Stock (NOS) mainsprings recommended for steady power transmission and longevity
Rotor & Bearings: Central rotor mechanism with ball-bearing axle for smooth automatic winding
Stem & Crown: Ensures efficient winding, time setting, and date adjustment
Calendar Components: Day and date wheels, jumper springs, and quickset parts essential for calendar function
Gear Train Components: Center wheel, third wheel, fourth wheel, and escape wheel for smooth operation
Hands & Dial Components: Compatible hour, minute, sweep seconds hands, and calendar display parts
Jewels: Synthetic rubies minimize friction on pivot points
Clicks & Springs: Ratchet wheels and click springs secure winding and operation
Bridges & Plates: Provide frame and proper alignment for all parts
Maintenance and Sourcing Tips
Confirm the “4008” calibre marking to ensure accurate parts fitting
Use NOS or verified donor parts to maintain watch authenticity and collector value
Trusted vintage watch parts dealers and reputable online platforms are ideal sources
Employ Swiss-certified lubricants and professional servicing for durability
Importance of Genuine Spare Parts
Guarantees precise mechanical function, longevity, and authenticity
Maintains collector and user value with original components
Supports expert servicing and reliable daily performance
Utilizing genuine spare parts is essential to uphold the Felsa 4008’s legacy as a high-quality Swiss automatic calibre valued by collectors and professional 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