10 1/2”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Older specimens with separate escape wheel cock: Bifora 102
• Movement family:
  • Bifora 102: Chatons (jewel settings), small seconds
  • Bifora 102 SC: Chatons, indirect sweeping seconds
  • Bifora 102/1: without Chatons, small seconds
  • Bifora 102/1 SC: without Chatons, indirect sweeping seconds

• Listing ID: 14220
• Manufacturer / Brand: Bifora / ZentRa
• Caliber: Bifora 102 = ZentRa 480
• Size in French Lignes: 10 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15, 16
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 38 hours
• Production Period: 1918 - 1934
• Country: Germany
• Identification: Movement marked with ZentRa 480. As Bifora 102 listed in the Jacob catalog from 1942.
• Contributor ©: Uhrforum.de member buchenhain