Landeron 149 Watch Spare Parts: Essential Guide for Collectors and Watchmakers
The Landeron 149 is a Swiss manual wind cam-switch chronograph movement produced from the 1930s through the 1970s. It is an evolution within the Landeron 140-series, known for its reliability and classic design. The calibre measures 13.75 lignes (approximately 31 mm in diameter) with a height of 6.2 mm. It features 17 jewels and runs at 18,000 vibrations per hour (vph), offering a power reserve of about 41 hours. The movement supports chronograph functions including central seconds, 30 or 45-minute counters, and a small seconds subdial.
Key Technical Specifications
Calibre: Landeron 149
Type: Manual wind chronograph
Diameter: 13.75 lignes (~31 mm)
Height: 6.2 mm
Jewels: 17
Frequency: 18,000 vph
Power Reserve: Approx. 41 hours
Functions: Chronograph with central seconds, 30/45-minutes counter, small seconds
Switching: Cam lever system, non-column wheel
Common Spare Parts
Chronograph Runner & Bridge: Ensures smooth and accurate chronograph seconds operation
Cam Levers & Reset Hammers: Responsible for reliable start, stop, and reset of chronograph
Balance Staff: Vital for stable oscillations and accurate timekeeping
Mainspring: Preferably NOS Swiss replacement for consistent power supply
Pallet Fork & Escape Wheel: Protect the escapement’s precise regulation
Minute Recording Wheel & Pinion: Drives the minute counter function
Pushers & Return Springs: Enable tactile control of chronograph features
Jewels & Bearings: Minimize friction and wear
Hands: Appropriate chronograph and dial hands to maintain vintage authenticity
Maintenance and Sourcing Tips
Verify Landeron 149 marking to confirm part compatibility
Prefer New Old Stock (NOS) or authentic Swiss parts for durability and fit
Work with experienced chronograph watchmakers for complex repairs and servicing
Importance of Genuine Spare Parts
Maintains precise chronograph performance and smooth timekeeping
Preserves collector quality and historical integrity
Ensures durable restoration and long-lasting operation
Using original Landeron 149 spare parts is crucial for preserving this classic chronograph movement’s legacy, widely cherished among collectors and horology specialists worldwide.
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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]
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