



FEF-Fleurier 6665 M6.TS Watch Spare Parts: Expert Guide for Collectors and Watchmakers
The FEF-Fleurier 6665 M6.TS is a manual wind Swiss watch movement revered for its reliable timekeeping and robust construction. With dimensions approximately 6.75 x 8 lignes (15.35 x 18.2 mm) and a thickness of around 3.45 mm, it features 17 synthetic jewels and operates at 21,600 vibrations per hour (vph). The calibre offers a power reserve of about 47 hours and includes stem winding and setting functionality (TS), making it a popular choice for vintage watch enthusiasts and restorers.
Key Technical Specifications
Calibre: FEF-Fleurier 6665 M6.TS
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)
Thickness: Approximately 3.45 mm
Frequency: 21,600 vph
Power Reserve: 47 hours
Escapement: Swiss pallet lever
Shock Protection: Typically Incabloc
Common Spare Parts
Balance Staff: Vital for stable oscillations and precise timekeeping
Mainspring: New Old Stock (NOS) mainsprings recommended for consistent power delivery
Stem & Crown: Precision-fit to ensure smooth winding and accurate hand setting
Gear Train Components: Center, third, fourth, and escape wheels for reliable power transfer
Clicks & Springs: Ratchet wheels and click springs for secure winding mechanism
Jewels: Synthetic rubies reduce friction and wear on pivots
Hands: Period-accurate hour and minute hands uphold vintage authenticity
Bridges & Plates: Provide structural stability and ensure exact alignment
Maintenance and Sourcing Tips
Confirm the “FEF 6665 M6.TS” marking before ordering parts to ensure compatibility
Use NOS or trusted donor parts for authenticity and durability
Source from reputable vintage watch parts dealers or specialist suppliers
Employ professional servicing along with Swiss-certified lubricants
Importance of Genuine Spare Parts
Guarantees precise mechanical function, durability, and authenticity
Maintains collector value and original watch integrity
Supports expert restoration and dependable performance
Using genuine spare parts is critical for sustaining the FEF-Fleurier 6665 M6.TS’s reputation as a durable and precise manual wind calibre, prized by collectors and horologists.
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