Here we offer out a deep blue, near mint, rare and very much sought after diver. The generous 40 mm case (lug tip to lug tip is 43,7 and thickness 12,6 mm) is in very good original condition. The clickable bezel that only let you move it counterclockwise points to an early seventies dating. This is further confirmed by the ca 1972 serial number which is 913130241. (Aquastar claims they patented that functionality in 1973 though). The blue dial is super, with applied steel hour markers that have sunken luminous fillings. In addition, there are the red/orange lime plots on the periphery and the orange frame of the minute hand. Check the dial when illuminated by ultraviolet light, there is plenty of life there! No wonder then, that Certina has bet on a re-edition of this model, selling new today. Presently this watch is being serviced, so the delivery must be agreed upon when ordered.