18 size (20”’) | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Hunter movement (Savonnette)
• Pillar construction
• Negative winding mechanism
• Click on the dial side
• Swan-neck regulator
• Screwed-in jewel settings (Chatons)
• Center wheel made of gold

• Listing ID: 18061
• Manufacturer / Brand: Columbus
• Caliber: Model 2 Size 18
• Size in French Lignes: 18 size (approx. 20''')
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown with lever
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 16
• Setting Lever Screw/Pin Position: None (Negative Winding)
• Balance Position: Bottom (120 - 240°)
• Holes in setting lever spring or rocking bar: 1
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: Around 1892
• Country: U. S. A.
• Identification: Movement marked with Columbus Watch. Based on the serial number on this website: https://pocketwatchdatabase.com/search/result/columbus-watch-co/240671
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link 2: https://pocketwatchdatabase.com/search/result/columbus-watch-co/240671