13”’ | Hand Wind | Swiss Lever | Small Seconds | Chronograph |

Remarks:

• Column-wheel chronograph: central chronograph seconds, 30/45 min counter at 3
• Rocking bar winding
• Click on the dial side
• Oscillating pinion after Edouard Heuer’s invention from 1887 for which he received a patent in France in 1888

• Listing ID: 11557
• Manufacturer / Brand: Valjoux
• Caliber: 92
• Size in French Lignes: 13''', height 6.0 mm
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Other Functions: Chronograph
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Right (0 - 120°)
• Shock Protection: None, Incabloc, M. T. Antichoc
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 39 hours
• Production Period: 1950 - approx. 1970
• Country: Switzerland
• Identification: Movement marked with Valjoux logo (R) and 92 under the balance wheel. Original datasheet available.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)