FEF-Fleurier 6665.1.M6.ST Watch Spare Parts: Expert Guide for Collectors and Watchmakers
The FEF-Fleurier 6665.1.M6.ST is a Swiss manual wind watch movement, closely related to the 6664 calibre family produced around the late 1970s to 1980s. This calibre measures approximately 6.75 x 8 lignes (15.35 x 18.2 mm) and features 17 jewels. It runs at 21,600 vibrations per hour (vph) and offers a power reserve of about 47 hours. The “M6.ST” suffix indicates specific technical configurations including stem winding and setting, characteristic of this refined manual movement.
Key Technical Specifications
Calibre: FEF-Fleurier 6665.1.M6.ST
Movement Type: Manual wind with stem winding and setting
Jewels: 17 synthetic rubies
Dimensions: 6.75 x 8 lignes (15.35 x 18.2 mm)
Frequency: 21,600 vph
Power Reserve: Around 47 hours
Escapement: Swiss pallet lever
Shock Protection: Typically Incabloc
Common Spare Parts
Balance Staff: Crucial for accurate balance oscillations and reliable timekeeping
Mainspring: New Old Stock (NOS) mainsprings recommended for consistent power delivery and longevity
Stem & Crown: Precise fit ensures smooth winding and hand setting
Gear Train Components: Center, third, fourth, and escape wheels provide smooth power transmission
Clicks & Springs: Ratchet wheels, click springs, and setting levers secure reliable winding and setting
Jewels: Synthetic rubies reduce friction and wear on pivots
Hands: Period-appropriate hour and minute hands preserve vintage authenticity
Bridges & Plates: Provide structural stability and ensure precise alignment
Maintenance and Sourcing Tips
Verify the “FEF 6665.1.M6.ST” calibre marking before ordering parts to ensure compatibility
Use NOS or trusted donor parts to preserve authenticity and functionality
Source parts from reputable vintage watch parts dealers or specialists
Employ Swiss-certified lubricants and professional servicing for optimal movement performance
Importance of Genuine Spare Parts
Ensures mechanical precision, durability, and authenticity
Maintains collector value and original watch integrity
Supports expert restoration and dependable daily wear
Utilizing genuine spare parts is critical to maintaining the FEF-Fleurier 6665.1.M6.ST’s legacy as a precise and durable manual wind movement highly prized by collectors and horologists 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