18”’ | Hand Wind | Cylinder | Small Seconds

• Listing ID: 20980
• Manufacturer / Brand: Thommen
• Caliber: 18''' Cylindre
• Size in French Lignes: 18'''
• 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: 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: Unknown
• Production Period: Unknown
• Country: Switzerland
• Identification: Barrel bridge marked with G. T (Gedeon Thommen) in an oval. Not listed in any movement catalog known to me.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)