7 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Additional wheel between escape wheel and fourth wheel
• Movement family:
  • Zenith 1730: no seconds, regulator gear
  • Zenith 1731: small seconds, regulator gear
  • Zenith 1733: sweeping seconds, regulator gear
  • Zenith 1740: no seconds, micrometer regulator

• Listing ID: 10529
• Manufacturer / Brand: Zenith
• Caliber: 1730
• Size in French Lignes: 7 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: 19
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 21,600
• Balance Type: Glucydur
• Power Reserve: Approx. 38 hours
• Production Period: 1967 - 1969
• Identification: Movement marked with ZENITH and 1730.
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)