: Extra-thick sapphire crystal to protect against high pressure and impacts. Other "Martian" Watches
If you were looking for something else related to "Martian" watches, there are a few other popular interpretations: Watch The Martian CE
Are you looking to the Hamilton BeLOWZERO, or were you searching for a DIY paper craft guide for a Martian-themed watch? : Extra-thick sapphire crystal to protect against high