La Bisontine 19 3/4''' Savonnette Type 3
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19 3/4”’ | Hand Wind | Swiss Lever | Small Seconds |
Remarks:
- Savonnette = Hunter movement
- 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 12”’ and 18 3/4”’ Lépine (open face) movements of this type 3
- Listing ID: 924
- Manufacturer / Brand: La Bisontine = Société anonyme d’horlogerie de Besançon / La Bisontine
- Caliber: 19 3/4''' Savonnette Type 3
- Size in French Lignes: 19 3/4'''
- Size range mm largest diameter: > 40 mm
- Shape: Round
- Winding: Manual (Crown)
- Hands Setting: Crown with lever
- Seconds Hand: Small seconds
- Escapement: Lever (Swiss, English, Glashütte)
- Date, Day, Month...: None
- Jewels: 15
- Balance Position: Bottom (120 - 240°)
- Shock Protection: None
- Beats per hour: 18,000
- Balance Type: Bimetallic screw balance with Breguet hairspring
- Power Reserve: Unknown
- Production Period: Probably around 1900
- Identification: Not listed in any movement finder. Movement marked with BISONTINE and a sitting dog on a base with the inscription BESANÇON (registered trademark of the company)
- External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-52#post-6955187
- External Link 2: https://watch-movements.eu/blog/en/2021/11/01/la-bisontine-movements-and-watches-from-besancon/
- Country: France
- Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
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