Omega Planet Ocean Chronograph

I have a '70s era Seamaster that has very light marks on the edge of the dial where the dial meets the case (right above 12 and 1). I don't recall having these marks before the last service, but I can't be 100% certain that damage was done by the watchmaker. It could be dirt but I think the paint probably came off when the movement was removed during the service. How much does something like this lower the value of the watch?seamaster-dial.jpg........

Now before I'm gunned down, let me explain what I mean. I've not seen the film or know that much about the doomed mission. But my understanding was that Commander James Lovell used his Speedmaster Professional for both the timing and interval of thrust for critical engine burns as they rounded the moon and set a course for home and the Speedmaster was crucial in assisting the timing of the engine burns to attain the correct re-entry angle.Now was this time interval hours and minutes or was it se........