5 1/4 x 8 1/2”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Movement design is based on a Swiss form movement from Revue Thommen
• UROFA Movement family:
  • UROFA 54: hand set jewels
  • UROFA 541: difference unknown
  • UROFA 542: pressed-in jewels

• Listing ID: 18477
• Manufacturer / Brand: UROFA / Zentra
• Caliber: ZentRa 162 = UROFA 54
• Size in French Lignes: 5 1/4 x 8 1/2'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• 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. 37 hours
• Production Period: 1931 - 1933 (UROFA 54)
• Country: Germany
• Identification: Dials side marked with UROFA 54. Wheel train bridge marked with ZentRa 162.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)