Landeron 4751
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11 1/2”’ | Electro Mechanical Balance | Sweeping Seconds |
Remarks:
- Sweeping seconds with hacking
- Listing ID: 3489
- Manufacturer / Brand: Landeron
- Caliber: 4751
- Size in French Lignes: 11 1/2'''
- Size range mm largest diameter: 22 - 31 mm
- Shape: Round
- Winding: Battery
- Hands Setting: Crown
- Seconds Hand: Sweeping seconds (central seconds)
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: None
- Jewels: 13
- Setting Lever Screw/Pin Position: Center
- Balance Position: Bottom (120 - 240°)
- Shock Protection: Incabloc
- Beats per hour: 18,000
- Balance Type: Mono-/Bimetallic screw balance with Breguet hairspring | Glucydur | Nickel | Brass
- Power Reserve: Unknown
- Production Period: Around 1960
- Identification: Original data sheet from 1963 available.
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-24#post-3464853
- Country: Switzerland
- Contributor ©: Uhrforum.de member JackDaniels83
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