Vintage omega constellation quartz ref 191.0012 Very good condition Case diameter 34mm Perfect working!! Black dial excellent condition!! the watch is quartz , it works correctly, the pulse is changed by wear, what you see is what is sent, the maintenance is recent. No returns thanks. Please See Images takes this cute collectible piece unique in the world . Payment Policy. Please check well the images are quite clear, have measurements of the pulses of the dial and watch case, the watch to be used has defects of use, please bear this in mind that no refunds. preferably seek buyers experts who know what they are buying, we appreciate the greater honesty in purchasing and receiving packets, no refunds remember what you buy is what you see.