8 3/4”’ | Hand Wind | Swiss Lever | Small Seconds or no Seconds |

Remarks:

• 1962 Junghans renamed its movements, J was replaced by 6, so the J81 became the 681.70

• Listing ID: 21649
• Manufacturer / Brand: Junghans
• Caliber: J81 / 681.70
• Size in French Lignes: 8 3/4'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: 1932 - 1939
• Country: Germany
• Identification: Movement marked with 81. Some also with Junghans logo (J in a star). Listed in old Junghans catalogs, e. g. 1939.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)