FEF-Fleurier 401 Watch Spare Parts: Comprehensive Guide for Collectors and Watchmakers
The FEF-Fleurier 401 is a Swiss manual wind watch movement known for its robust construction, precision, and classic design. It belongs to the Fleurier family of movements, measuring 8.75 lignes (19.40 mm) in diameter with a thickness of approximately 4.30 mm. The calibre features 17 jewels and operates at a frequency of 21,600 vibrations per hour (vph). With a power reserve of around 36 hours, it includes a pallet lever escapement, nickel screw balance, and Incabloc shock protection, making it a reliable choice for vintage wristwatch restorations.
Key Technical Specifications
Calibre: FEF-Fleurier 401
Movement Type: Manual wind
Jewels: 17 synthetic rubies (including 3 cap jewels)
Diameter: 8.75 lignes (19.40 mm)
Thickness: 4.30 mm
Frequency: 21,600 vph
Power Reserve: Approx. 36 hours
Escapement: Pallet lever
Balance: Nickel screw balance
Shock Protection: Incabloc
Winding System: Yoke winding
Common Spare Parts
Balance Staff: Essential for accurate balance oscillations and timekeeping
Mainspring: New Old Stock (NOS) mainsprings offer consistent power and durability
Stem & Crown: Precision parts for smooth winding and setting
Gear Train Components: Center, third, fourth, and escape wheels for efficient energy transfer
Hands: Period-appropriate hour, minute, and second hands preserve authentic appearance
Clicks & Springs: Ratchet wheels and click springs ensure secure winding and reliable engagement
Jewels: Synthetic rubies reduce pivot friction and wear, prolonging movement life
Bridges & Plates: Provide structural support and maintain component alignment
Maintenance and Sourcing Tips
Confirm the “FEF 401” calibre marking before ordering parts to ensure compatibility
Prefer NOS or trusted donor parts for maintaining originality and longevity
Source parts from reputable vintage watch parts dealers or specialized suppliers
Use Swiss-certified lubricants and professional servicing for optimum performance
Importance of Genuine Spare Parts
Guarantees mechanical accuracy, durability, and originality
Preserves collector value and watch integrity
Supports expert restoration and dependable everyday use
Using genuine spare parts is crucial to maintain the FEF-Fleurier 401’s legacy as a precise, durable manual wind movement, highly valued by collectors and 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