12 1/2”’ | Hand Wind | Swiss Lever | Indirect Sweeping Seconds |

Remarks:

• Ratchet wheel with left-handed thread
• 1962 Junghans renamed its movements, J was replaced by 6. The J82/1 became the 682.72
• Movement family:
  • Junghans J82, 682.70: small seconds
  • Junghans J82/1, 682.72: sweeping seconds
  • Junghans J82/2, 682.71: chronometer, small seconds with hacking
  • Junghans J82/3, 682.73: chronometer, sweeping seconds with hacking
  • Junghans J82/4, 682.74: chronometer, small seconds
  • Junghans J82/4, 682.75: Meister (master) movement, sweeping seconds

• Listing ID: 11128
• Manufacturer / Brand: Junghans
• Caliber: J82/1 / 682.72
• Size in French Lignes: 12 1/2''' (12''' according to the manufacturer)
• Size range mm largest diameter: 22 - 31 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: Junghans II
• Beats per hour: 18,000
• Balance Type: Glucydur
• Power Reserve: Approx. 52 hours
• Production Period: 1951 - 1960
• Identification: Train wheel bridge marked with Junghans logo (J in a star) and 82/1.
• Country: Germany
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)