19”’ | Hand Wind | Swiss Lever | Small Seconds |

Remarks:

• Williamson = H. Williamson Ltd., Coventry, England. H. Williamson was also owner of Buren Watch in Switzerland
• Negative winding mechanism

• Listing ID: 19058
• Manufacturer / Brand: Williamson
• Caliber: 19'''
• Size in French Lignes: 19'''
• Size range mm largest diameter: > 40 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 7
• Setting Lever Screw/Pin Position: None (Negative Winding)
• Balance Position: Right (0 - 120°)
• Holes in setting lever spring or rocking bar: 0 = no setting lever spring and no rocking bar
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance with Breguet hairspring
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1910
• Country: United Kingdom
• Identification: Dial side marked with H. Williamson Ltd., Coventry. Bridge side marked with WARRANTED ENGLISH.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)