: 46mm black PVD-coated titanium case, giving it a lightweight but durable build.
: Rated for 1,000 meters (100 bar), featuring a helium escape valve. Watch The Martian CE
: Brands like Pappwatch create digital watches made from Tyvek (a tear-proof, water-resistant paper-like material) featuring various space-themed designs. : 46mm black PVD-coated titanium case, giving it