18 1/4”’ | Hand Wind | Cylinder | Small Seconds |

Remark:

• The watch case belonging to this movement refers to Swiss patent CH12491, which was granted to
  François Mercier in 1896. It describes a device for adjusting the spacing between the cylinder and the escape wheel.

• Listing ID: 14456
• Manufacturer / Brand: Mercier
• Caliber: Patent CH12491
• Size in French Lignes: 18 1/4'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 0
• 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, probably around 1900
• Country: Switzerland
• Identification: See remarks above. Not listed in any movement catalog know to me.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)