Tissot 20

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  • Manufactured from 1932 - 1938, constructed by Henri Gerber.

  • Serial no: 648 447 (aprox: 1935).


Data: Tissot cal: 20


  • 15 jewels, manual winding.

  • Size: 20 x 26 mm.

  • H: = 4,20 mm.

  • N: = 18000 A/h.

  • Power reserve: