Felsa 694 Watch Spare Parts: Comprehensive Guide for Collectors and Watchmakers
The Felsa 694 is a Swiss automatic mechanical watch movement from the renowned Bidynator series, produced starting in the 1940s. It shares many technical similarities with the Felsa 690 calibre but distinguishes itself by including a date display mechanism operated by a pusher at the 8 o’clock position. This movement has 17 to 25 jewels, runs at 18,000 vibrations per hour (vph), and measures approximately 26.3 mm in diameter and 6.65 mm in height.
Key Technical Specifications
Calibre: Felsa 694 (Bidynator)
Movement Type: Automatic, bi-directional winding
Jewels: 17 to 25 synthetic rubies
Frequency: 18,000 vph
Diameter: 26.3 mm
Height: 6.65 mm
Functions: Hours, minutes, sweep seconds, date window
Power Reserve: Approx. 44 hours
Shock Protection: Incabloc
Common Spare Parts
Balance Staff: Critical for precise oscillations and timing stability
Mainspring: New Old Stock (NOS) mainsprings preferred for dependable power delivery
Rotor & Bearings: Bi-directional rotor components ensure efficient automatic winding
Stem & Crown: Precise fit necessary for winding, setting, and date adjustment
Date Mechanism: Date wheel, jumper, and pusher assembly vital for calendar function
Gear Train Components: Includes center, third, fourth, and escape wheels for smooth mechanical operation
Hands & Dial Components: Compatible hour, minute, and sweep second hands; date window parts
Jewels: Synthetic rubies reduce friction ensuring longevity
Clicks & Springs: Secure ratchet wheels and click springs ensure consistent winding
Bridges & Plates: Structural components providing stability and alignment of all parts
Maintenance and Sourcing Tips
Verify the “694” calibre marking prior to parts acquisition to ensure compatibility
Use NOS or trusted donor parts to maintain watch authenticity and value
Source parts from reputable vintage watch suppliers and specialized online stores
Employ Swiss-certified lubricants and professional servicing to enhance lifespan
Importance of Genuine Spare Parts
Guarantees mechanical accuracy, durability, and authenticity
Maintains collector interest and watch integrity
Supports expert servicing and reliable everyday use
Using authentic spare parts is essential to preserving the Felsa 694’s reputation as a classic Swiss automatic calibre prized by watch enthusiasts and restorers.
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