Originally posted by Laohu
John, my eyes are not so sharp...from your SNR it could be a MK3 or MK4 Dial, which one is it ?

Fletch, wonderfull DRSD, and same question, MK3 or MK4?

Is an open or closed 6 a sure sign to say its a MK3 or MK4´?
Mark III: http://www.rolexreferencepage.com/1665/