Differents parts for the same models (speedmaster 3513.50)

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Hello,

i asked myself a question.

i Own a 3513.50 and some parts seems to be differents on this model in function of the Serial number.

for exemple on the bezel the dot up to 110 seems to have a little variation. The mine is near of the 110 (i saw that too in others models) and on some models the dot is a little bit distant.

Have you ever seen that ?