


Peseux 355 Watch Spare Parts: Technical Overview for Horology Enthusiasts and Watchmakers
The Peseux 355 is a distinguished Swiss manual wind movement produced primarily in the mid-20th century. It features a diameter of approximately 10.5 lignes (about 23.3 mm), a height of 4.5 mm, 17 synthetic jewels, and operates at a frequency of 18,000 vibrations per hour (vph). The calibre offers a power reserve of roughly 43 hours, crafted for reliability and precision in vintage wristwatches.
Key Technical Specifications
Calibre: Peseux 355
Movement Type: Manual wind
Dimensions: 10.5 lignes diameter (~23.3 mm), 4.5 mm height
Jewels: 17 synthetic rubies
Frequency: 18,000 vph
Power Reserve: Approximately 43 hours
Escapement: Swiss lever escapement
Shock Protection: Typically Incabloc or similar
Common Spare Parts
Balance Staff: Critical component for smooth oscillations and timing accuracy
Mainspring: Sizes vary; listed size 1.40 x 0.095 x 340 x 9.5 mm is common
Barrel & Cover: Precision parts essential for power consistency
Stem & Crown: Specially fitted for seamless winding and hand setting
Gear Train Components: Center, third, fourth, and escape wheels provide efficient power transfer
Clicks & Springs: Includes click part #425 and springs for secure winding
Hands: Period-correct hour, minute, and sub-seconds hands maintain original style
Bridges & Plates: Provide mechanical stability and accurate alignment
Jewels: Synthetic rubies reduce friction and wear on pivots
Maintenance and Sourcing Tips
Validate the movement as “Peseux 355” before sourcing parts to ensure correct fit
Opt for New Old Stock (NOS) or verified genuine parts from specialized dealers
Use certified Swiss lubricants and professional servicing for longevity
Confirm part numbers carefully to avoid compatibility issues
Importance of Genuine Spare Parts
Maintains timekeeping precision and mechanical longevity
Preserves watch’s collector and historical value
Supports professional restoration and smooth operation
Carefully sourced authentic spare parts help uphold the Peseux 355 calibre’s reliability and craftsmanship, ensuring its continued admiration among watchmakers and collectors worldwide.
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