Felsa 523 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The Felsa 523 is a Swiss automatic watch movement renowned for its robustness and precision, primarily used in the 1960s and 1970s. Measuring 11.5 lignes (approximately 26 mm) in diameter and 5.4 mm in height, it features 17 synthetic jewels and runs at a frequency of 21,600 vibrations per hour (vph). Equipped with a ball-bearing rotor and an excenter self-winding mechanism, this calibre is highly preferred for vintage wristwatch restoration and daily wear.
Key Technical Specifications
Calibre: Felsa 523
Movement Type: Automatic, mechanical
Jewels: 17 synthetic rubies
Frequency: 21,600 vph
Diameter: 26 mm
Height: 5.4 mm
Power Reserve: Approx. 54 hours
Winding Mechanism: Ball-bearing rotor, excenter self-winding
Common Spare Parts
Balance Staff: Crucial for precise balance wheel oscillations and watch accuracy
Mainspring: New Old Stock (NOS) mainsprings recommended for consistent power transmission and durability
Rotor & Bearings: Key to maintaining efficient automatic winding and smooth rotor movement
Stem & Crown: Required fitment for winding, setting, and secure operation
Gear Train Components: Includes center wheel, third wheel, fourth wheel, and escapement wheels necessary for accurate timekeeping
Hands & Dial Components: Hour, minute, and sweeping second hands compatible with this calibre
Jewels: Synthetic rubies reduce friction and wear at pivotal points
Clicks & Springs: Ratchet wheels and click springs ensure secure winding function
Bridges & Plates: Provide stability and accurate alignment of movement components
Maintenance and Sourcing Tips
Confirm the “523” calibre marking to ensure proper spare part compatibility
Utilize NOS or genuine donor parts to maintain watch originality and collector value
Sourcing through trusted vintage watch part dealers and reputable online platforms is advised
Use Swiss-certified lubricants and expert servicing for optimal watch longevity
Importance of Genuine Spare Parts
Guarantees mechanical precision, durability, and authenticity
Maintains the watch’s collector value and functional integrity
Supports expert repairs and reliable daily wear
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