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Explorer Nims Purja wears a Bremont Supermarine S300 watch in the TV show Expedition. Purja famously climbed Mt Everest in little over 6 days. As seen, this watch has a NATO strap, white dial, metal case and blue bezel.
![](https://i0.wp.com/almostontime.com/wp-content/uploads/2022/02/Bremont-Supermarine-S300-nims-expedition-831x1024.jpg?resize=328%2C404&ssl=1)
This watch also comes with a variety of straps, including leather and metal. Obviously for a mountaineer, the NATO strap is probably the preferred strap of choice in terms of durability. Over the years, Purja has broken countless world records due to his insane work ethic.