12”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Crown wheel and ratchet wheel underneath bridges
• There is also a bigger (19”’) version of this movement: Union Horlogère Alpina / Model No. 76,677 19”’
• The 12”’ and 19”’ versions of the movement actually have the caliber designation Alpina, which later became a stand-alone brand name

 

• Listing ID: 2858
• Manufacturer / Brand: Union Horlogère
• Caliber: Alpina / Model No. 76,677 12'''
• Size: 12'''
• Shape: Round
• Winding: Manual (Crown)
• Hand Setting: Crown with pin/pusher
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1896 - 1912+
• Identification: Registered by the Schweizerischen Uhrmacher-Genossenschaft (Swiss Watchmakers' Cooperative, Union Horlogère) on 17.03.1896 in the Swiss Official Gazette of Commerce as model No. 76,677. Model No. 76,677 is not an official caliber designation, but was used to register the design. Illustrated in the Flume main catalog of 1912. The SUG logo (Schweizerische Uhren-Genossenschaft = Union Horlogère) is marked next to the balance wheel and Alpina is marked on the crown wheel bridge.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-32#post-4078408
• External Link 2: https://watch-movements.eu/blog/en/2018/05/27/early-watch-movements-of-union-horlogere-alpina/
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)