FEF-Fleurier 373 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The FEF-Fleurier 373 is a Swiss manual wind watch movement known for its compact size and precise craftsmanship. It measures 6.75 x 8 lignes (15.30 x 17.80 mm) with a thickness of 3.55 mm, equipped with 17 jewels. Operating at 18,000 vibrations per hour (A/h), this calibre offers a power reserve of approximately 42 hours. It is designed mostly without a seconds hand, used in elegant wristwatches from mid-20th century.
Key Technical Specifications
Calibre: FEF-Fleurier 373
Movement Type: Manual wind
Jewels: 17 synthetic rubies
Dimensions: 6.75 x 8 lignes (15.30 x 17.80 mm)
Thickness: 3.55 mm
Frequency: 18,000 A/h
Power Reserve: Approx. 42 hours
Functions: Hours, minutes
Style: Lépine (open face)
Common Spare Parts
Balance Staff: Critical for steady oscillation and timing accuracy
Mainspring: New Old Stock (NOS) preferred for consistent power delivery
Stem & Crown: Precision fit necessary for smooth winding and hand setting
Gear Train Components: Center, third, and escape wheels for smooth transmission of power
Clicks & Springs: Ratchet wheel, click springs, and setting lever springs secure winding and setting function
Jewels: Synthetic rubies reduce friction and increase durability
Hands: Period-appropriate hour and minute hands to preserve vintage aesthetics
Bridges & Plates: Provide essential stability and alignment for all components
Maintenance and Sourcing Tips
Verify the “FEF 373” calibre marking before ordering parts to ensure accurate compatibility
Use NOS or trusted donor parts to maintain originality and reliability
Obtain parts from specialized vintage watch part dealers or reputable suppliers
Utilize Swiss-certified lubricants and professional servicing for longevity
Importance of Genuine Spare Parts
Ensures long-term mechanical reliability and precise operation
Maintains collectible value and authentic appearance
Supports expert restorations and dependable daily use
Using genuine spare parts is key to sustaining the quality and value of the FEF-Fleurier 373 calibre, cherished by both collectors and horologists 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