9 x 13”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Movement family:
  • UROFA 58
  • UROFA 581: improved winding system, e. g. different setting lever spring

• Listing ID: 6883
• Manufacturer / Brand: UROFA
• Caliber: 58
• Size in French Lignes: 9 x 13'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Form
• 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: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 33 hours
• Production Period: 1935 - 1938
• Identification: Dial side marked with UROFA 58. Listed in the Flume K1 catalog in the part from 1947.
• Country: Germany
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)