Tissot 20
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Manufactured from 1932 - 1938, constructed by Henri Gerber. -
Serial no: 648 447 (aprox: 1935).
Data: Tissot cal: 20
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15 jewels, manual winding. -
Size: 20 x 26 mm. -
H: = 4,20 mm. -
N: = 18000 A/h. -
Power reserve:
Data: Tissot cal: 20