10 1/2”’ | Hand Wind | Cylinder | Small Seconds |

Remarks:

• Rocking bar winding
• Click on the dial side
• There is also a J90 new with a different rocking bar (see extra picture)
• Smaller ‘brother’ with 8 3/4”’: Junghans J91

• Listing ID: 14551
• Manufacturer / Brand: Junghans
• Caliber: J90 old
• 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: Small seconds
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 6
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Approx. 32 hours
• Production Period: 1932 – 1937
• Country: Germany
• Identification: Listed in the Flume K1 catalog in the part from 1947.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)