seiko 7017-6020 different dial

[bertnet]

Hi,
Could someone tell me a little about the difference of these two dial for the 7017-6020 ( There is a row of dashes in more ). I can not find much information on the net .

[doomguy10011]

I'm not sure, but it looks like a minute track to me.

[bertnet]

yes, I think so too , but given the very short production of these models, you know the reason for this small difference With also the same reference 7017-6020R ?