In May 1978 Messner wore the Oysterquartz on the Everest (without supplementary oxygen), but later that year (August) he switched back to his Rolex Explorer II (1655) for his solo ascent of the technically difficult Diamir face of Nanga Parbat . Regards S...
One of my family friends who was in the Pakistan Army passed away while trying to rescue a group of climbers from Austria stranded on the Nanga Parbat mountain, one of the most dangerous in the world. S