Felsa 4072 Watch Spare Parts: Detailed Guide for Collectors and Watchmakers
The Felsa 4072 is a Swiss manual wind watch movement known for its precision and lasting reliability. It belongs to the compact 6.75 lignes (approximately 15.55 mm) family, with a thickness of 3.30 mm. This calibre features 17 jewels and operates at 18,000 vibrations per hour (vph), offering a power reserve of about 45 hours. A unique aspect is its construction reminiscent of an ETA 2410, with a screw balance featuring a movable hairspring stud, allowing enhanced regulation capabilities. The movement has a yoke winding system and Incabloc shock protection, making it suitable for fine ladies’ wristwatches, including high-end models such as some by L.U.Chopard.
Key Technical Specifications
Calibre: Felsa 4072
Movement Type: Manual wind
Jewels: 17 synthetic rubies
Frequency: 18,000 vph
Diameter: 15.55 mm (6.75 lignes)
Thickness: 3.30 mm
Power Reserve: Approximately 45 hours
Functions: Hours, minutes, sweep seconds
Common Spare Parts
Balance Staff: Crucial for stable balance wheel oscillations and precise timing
Mainspring: Use New Old Stock (NOS) mainsprings for consistent power output and durability
Stem & Crown: Precise fit essential for winding and accurate setting
Gear Train Components: Center, third, fourth, and escape wheels for smooth transmission
Hands & Dial Components: Compatible hour, minute, and sweep second hands for authentic restoration
Jewels: Synthetic rubies reduce friction and extend component longevity
Clicks & Springs: Ratchet wheels and click springs for secure winding and smooth operation
Bridges & Plates: Provide structural support and ensure correct movement alignment
Maintenance and Sourcing Tips
Verify the “4072” calibre marking before ordering parts to ensure compatibility
Use NOS or verified donor parts to maintain original watch value
Source reliable parts from trusted vintage dealers and reputable online sellers
Employ Swiss-certified lubricants and professional servicing to maximize movement lifespan
Importance of Genuine Spare Parts
Guarantees precision, 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 essential to preserve the Felsa 4072’s reputation as a precise and reliable Swiss manual wind calibre treasured by watchmakers and collectors alike.
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
Watch Parts Enquiry
* If you are unable to fill out any of the required information fields, please type “N/A”.
Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340