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