18 1/2”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Savonnette = hunter movement
• Movement family:
  • Alpina 277A Lépine = Unitas 33
  • Alpina 277A Savonnette = Unitas 34
• The Lépine (open face) variant was registered by A. Reymond SA (ARSA, later Unitas) on 17.12.1925 in the Swiss Official Gazette of Commerce as model no. 12. Model No. 12 is not an official caliber designation, but was used to register the design. The form of the setting lever parts was also registered in 1925.

• Listing ID: 19940
• Manufacturer / Brand: Unitas / Alpina
• Caliber: Alpina 277A Savonnette = Unitas 34
• Size in French Lignes: 18 1/2''', height 4.15 mm
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 33 hours
• Production Period: Unknown, probably around 1925
• Country: Switzerland
• Identification: Movement marked with Alpina logo and 277A. As Unitas 34 listed in the Flume K1 catalog in the part from 1952. See also remark above.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)