18 1/2”’ | Hand Wind | Cylinder | Small Seconds |

Remarks:

• Dial side marked with Swiss patent number 13537, which was granted to Simon, Burger & Gressot (owners of Perfecta) in 1897
• Compare with the nearly identical dial sides of the following movements:
  • Perfecta Model No. 7 / Victoria old
  • Union Horlogère Cap

• Listing ID: 20463
• Manufacturer / Brand: Perfecta
• Caliber: 18 1/2''' Cylinder
• Size in French Lignes: 18 1/2'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown with pin/pusher
• Seconds Hand: Small seconds
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 10
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: Unknown
• Country: Switzerland
• Identification: See remarks above.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)