7 3/4”’ | Hand Wind | Swiss Lever | Direct Sweeping Seconds |

Remarks:

• Movement family:
  • Certina 17-25: no date
  • Certina 17-251: date

• Listing ID: 12922
• Manufacturer / Brand: Certina
• Caliber: 17-25
• 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: Sweeping seconds (central seconds)
• 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: 19,800
• Balance Type: Nickel gold-plated
• Power Reserve: Approx. 44 hours
• Production Period: Unknown, probably around 1970
• Country: Switzerland
• Identification: Movement marked with CERTINA 17-25. Listed in the Flume K3 catalog from 1972 w/o picture.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)