La Bisontine 12''' Lépine Type 3
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12”’ | Hand Wind | Swiss Lever | Small Seconds |
Remarks:
- Lépine = open face movement
- Barrel with Maltese cross stopwork
- Type 3 is not an official caliber designation. As this is unknown, type <x> is used to distinguish between the different movement types of La Bisontine.
- The following types are known to date:
- Type 1: cylinder escapement, keywind, cocks of the fourth wheel and the third wheel are connected
- Type 2: cylinder escapement, crown winding with pusher, cocks of the fourth wheel and the third wheel are connected
- Type 3: Swiss lever escapement, crown winding with pusher/lever, cocks of the fourth wheel and the third wheel are connected
- Type 4: Cylinder escapement, crown winding with pusher, third wheel under the wheel train bridge
- Common to all types is the cover of the ratchet wheel and a special shape of the click. Types 1, 2 and 3 also have a common cock for the fourth and third wheel
- There are also a 18 3/4”’ Lépine (open face) and a 19 3/4”’ Savonnette (hunter) versions of this type 3 movement
- Listing ID: 905
- Manufacturer / Brand: La Bisontine = Société anonyme d’horlogerie de Besançon / La Bisontine
- Caliber: 12''' Lépine Type 3
- Size in French Lignes: 12'''
- Size range mm largest diameter: 22 - 31 mm
- Shape: Round
- Winding: Manual (Crown)
- Hands Setting: Crown with pin/pusher
- Seconds Hand: Small seconds
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: None
- Jewels: 15
- Balance Position: Right (0 - 120°)
- Shock Protection: None
- Beats per hour: 18,000
- Balance Type: Bimetallic screw balance with Breguet hairspring
- Power Reserve: Unknown
- Production Period: Probably around 1900
- Country: France
- Identification: Not listed in any movement finder. Identical construction to other La Bisontine type 3 calibers.
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-52#post-7001525
- External Link 2: https://watch-movements.eu/blog/en/2021/11/01/la-bisontine-movements-and-watches-from-besancon/
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