8 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• The Bifora 84 normally has a small second, this movement here doesn’t
• There is also a ZentRa 477 = Bifora 84 with 7 jewels

• Listing ID: 1409
• Manufacturer / Brand: Bifora / ZentRa
• Caliber: ZentRa 471 = Bifora 84
• Size in French Lignes: 8 3/4'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 11
• 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: Unknown
• Production Period: As Bifora 84 from 1918 to 1934
• Country: Germany
• Identification: Movement marked with ZentRa logo and 471. Listed as Bifora 84 in Flume K1 in the 1947 part.
• 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-46#post-6232999