


Lorsa HS 514 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The Lorsa HS 514 is a compact Swiss manual wind movement often used in ladies’ or smaller watches. Measuring approximately 5 3/4 x 8 1/2 lignes (12.5 x 19.0 mm), this calibre delivers 18,000 vibrations per hour (vph) and is notable for its robustness and precision. Equipped with 17 jewels and a Ruby-Shock Rufa-Anti-Shock system, the movement uses a yoke winding mechanism and features a nickel annular balance for effective timekeeping.
Key Technical Specifications
Calibre: Lorsa HS 514 (also referenced as 514A)
Size: 5 3/4 x 8 1/2 lignes (12.5 x 19.0 mm)
Jewels: 17
Frequency: 18,000 vph
Shock Protection: Ruby-Shock Rufa-Anti-Shock system
Balance: Nickel annular
Winding: Manual (yoke winding system)
Power Reserve: Approximately 43 hours
Escapement: Swiss lever
Setting Lever Spring: Four-hole (for durability)
Common Spare Parts
Balance Assembly & Staff: Ensures oscillation accuracy and smooth timekeeping
Mainspring & Barrel: Original or NOS preferred for consistent power delivery
Stem & Crown: Key for precise winding and setting
Escapement Components: Pallet fork, escape wheel for stable regulation
Gear Train Wheels: Transfer energy efficiently through the movement
Jewels & Bearings: Reduce friction and increase longevity
Setting Lever Springs: Maintain durable and reliable setting mechanism
Hands: Appropriate in size and style to preserve vintage appeal
Maintenance and Sourcing Tips
Confirm HS 514 marking on movement for compatibility
Source NOS or genuine Swiss parts from specialized watch part suppliers
Utilize experienced watchmakers adept with small vintage calibres for repairs
Importance of Genuine Spare Parts
Maintains reliable, accurate timekeeping and movement durability
Preserves historical accuracy and collector value
Supports expert servicing and long-term watch performance
Using authentic Lorsa HS 514 spare parts is essential for maintaining the integrity and functionality of this delicate vintage movement, cherished by horology enthusiasts 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