Hey I am new to vintage Omega and have my inexperienced eyes set on one of these. I haven't seen those types of two-tone dials in that design and no help on Omega database from ref no. Can somebody tell me more about the dials It would be greatly appreciated and perhaps which is the Best buy from a more omega experienced point of view. Price is the same. Top one is cal 267 - 15.421.XXX and bottom one is cal 265 - 12.168.XXX. Thank you very much for any reply.