10 1/2”’ | Hand Wind | Swiss Lever | No Seconds

Remarks:

• Movement also available with small seconds
• Movement family:
  • Peseux 320: no seconds, small seconds
  • Peseux 325: indirect sweeping seconds

• Listing ID: 10397
• Manufacturer / Brand: Peseux / Helvetia / Dugena
• Caliber: Peseux 320 = Helvetia 74 = Dugena 599
• 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: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 40 hours
• Production Period: Unknown, probably around 1955
• Country: Switzerland
• Identification: Movement marked with P 320 or H 74 under the balance wheel. Ratchet wheel marked with DUGENA 599. Listed as Peseux 320 in the "Official Catalogue of genuine Swiss Watch repair parts" from 1955.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)