This iconic chronograph has been worn bei Jaques Cousteau and his Crew on the legendary Calypso for nearly over one decade, documented by lots of original photomaterial from that timeperiod. This mint condition Deepstar has never been polished before, The fume-grey dial with „big-eye-subdial“ and propeller-secondhand still appears with the original lume on it, attended by the original handset with colourmatching lume. Crown is signed „Aquastar“, authentic decompressionbezel. Comes on a vintage NSA steel-bracelet. The Valjoux 23 handwinding movement of this collectors-grail has been tested by our watchmaker and runs absolutely exact.