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

Remarks:

• See also regular Orator 280 with different bridge shapes
• Same movement with different height of 4.1 mm: Orator 220

• Listing ID: 11978
• Manufacturer / Brand: Orator / ZentRa
• Caliber: ZentRa 154 = Orator 280
• Size in French Lignes: 18 1/2''', height 5.2 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: 8
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown
• Country: Switzerland
• Identification: Movement marked with ZentRa 154. Listed as Orator 280 in the Flume K1 catalog in the part from 1947.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)