18 1/2”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Variants of the J33 movement:
  • Junghans J33a: 7 jewels, monometallic screw balance, compensating Breguet hairspring
  • Junghans J33b: 15 jewels, monometallic screw balance, compensating Breguet hairspring
  • Junghans J33c: 15 jewels, cut bimetallic screw balance, Breguet steel hairspring

• Listing ID: 19064
• Manufacturer / Brand: Junghans
• Caliber: J33b
• Size in French Lignes: 18 1/2'''
• Size range mm largest diameter: > 40 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: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance with Breguet hairspring
• Power Reserve: Approx. 40 hours
• Production Period: 1923 - 1930
• Country: Germany
• Identification: Movement marked with Junghans 33 (others with 33b). Listed in a Junghans spare parts catalog from 1931.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)