He later on deemed the expedition a living hell, and harder than any of his exploits in the mountains. However Messner is finest known for wearing Rolex watches For most of his alpine expeditions (like an Oysterquartz for that 1980 solo summit), for the "Würth-Antarktis-Transversale" he selected an Omega Speedmaster https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/