====== Column wheel ======
{{wst>image_r|Lange_L952.1_RS|[[Chronograph]] movement [[Lange L952]].1 by [[A. Lange & Söhne]] with column wheel control, used in the [[A. Lange & Söhne Datograph-Perpetual]]}}

**Column wheel** to a wheel of steel in the [[movement]] of [[chronograph]]s, which is equipped with the so-called columns (small turrets). It controls and synchronizes all major switching operations of the [[chronograph]] mechanism. Due to the high production costs, the column wheel is considered to be a criterion of value and quality.

Other names for column wheel are "Swiss Castle" and "crown wheel".

===== Number of Columns =====
  *Four
    *[[JLC 380]]
  *Five
    *[[Landeron 11|Landeron 11, 13]] (mono-pusher)
    *[[Minerva 16-29|Minerva 29]]
  *Six
    *[[Angelus 250|Angelus 250, 252]]
    *[[ETA 2894]]
    *[[ETA A08.L01|ETA A08.L01/Longines L688, L788]]
    *[[Frederic Piguet 1180|Frederic Piguet 1180, 1181]] (Hand-wound)
    *[[Frederic Piguet 1185|Frederic Piguet 1185, 1186]] (Automatic)
    *[[GO 60|Glashütte Original 60]]
    *[[JLC 859|JLC 829, 859]]
    *[[JLC 751|JLC 751, 752, 753, 754, 756, 757, 758]]
    *[[Landeron 52]] (mono-pusher)
    *[[Minerva 13-20|Minerva 20, 21, 22]]
    *[[Rolex 4130]]
    *[[Rolex 4160]]
    *[[Venus 196]]
  *Seven
    *[[Landeron 39]]
    *[[Valjoux 92]]
    *[[Venus 150|Venus 150, 151, 152, 186, 187, 191]]
    *[[Venus 175|Venus 175, 176, 178, 183, 184]]
    *[[Venus 179|Venus 179, 185, 190]]
    *[[Zenith El Primero]]
  *Eight
    *[[Excelsior Park]] 4, 40, 42
    *[[Lange L951]]
    *[[Lemania 2310]]
    *[[Seiko 6S78]]
    *[[Seiko 8R28]]
    *[[TAG Heuer Calibre 1887]]
    *[[Universal 281]]
    *[[Universal 285]]
    *[[Venus 170]]
  *Nine
    *[[Girard-Perregaux 3080]]
    *[[Seiko 6138|Seiko 6138/6138]]
    *[[Valjoux 22|Valjoux 22, 71]]
    *[[Valjoux 23|Valjoux 23, 72, 78, 88, 90, 230, 234, 235, 236, 237, 720, 725, 726, 729, 730]]


{{tag>Terms Column_wheel_chronograph_movements}}