Landeron 148 Watch Spare Parts: Collector and Watchmaker Guide
The Landeron 148 is a Swiss cam-switch chronograph movement produced from the late 1930s through the 1970s, prized for its reliability and cost-effective engineering. This calibre is 13.75 lignes (≈31 mm diameter), 6.2 mm thick, and uses 17 jewels. It runs at 18,000 vibrations per hour (vph), delivering a power reserve of about 41 hours. The Landeron 148 features a two-pusher system and subdials for 30 or 45 minutes and running seconds, making authentic spare parts essential for proper restoration.
Key Technical Specifications
Calibre: Landeron 148
Type: Manual wind chronograph
Diameter: 13.75 lignes (≈31 mm)
Height: 6.2 mm
Jewels: 17
Frequency: 18,000 vph
Power Reserve: Approximately 41 hours
Functions: Chronograph (central seconds, 30/45-minute counter, small seconds at 9:00)
Switching: Cam system, oscillating pinion, not column-wheel
Common Spare Parts
Chronograph Runner & Bridge: For precise central seconds engagement
Cam Levers & Reset Hammer: Controls accurate start/stop/reset via the cam-switch
Balance Staff: Critical for stable timekeeping
Mainspring: Preferably Swiss NOS for consistent energy delivery
Pallet Fork & Escape Wheel: Maintains smooth escapement function
Minute Recording Wheel & Pinion: Drives the 30 or 45-minute counter
Pushers & Return Springs: For reliable, tactile chronograph operation
Jewels & Bearings: Minimize friction for lasting durability
Hands: Correct types for chronograph and subdials (original or fit-for-vintage)
Maintenance and Sourcing Tips
Always verify Landeron 148 marking – shared parts with Cal. 48 and related families may differ
Source NOS or Swiss original parts for authenticity and fit
Use vintage chronograph specialists for complex repairs and calibration
Importance of Genuine Spare Parts
Safeguards accurate chronograph operation and timekeeping
Maintains collector and historical value
Supports durable restoration and sustained performance
Using genuine Landeron 148 spare parts is vital for honoring this movement’s legacy—an icon among affordable vintage Swiss chronographs.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
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