Rubber
43.5 mm stainless steel case, 14.2 mm thick, see-through sapphire glass back, screw in crown,...
43.5 mm titanium case with anti-magnetic properties, transparent back, screw-in crown, unidirectional rotating grey ceramic...
43.5 mm stainless steel case with anti-magnetic properties and helium escape valve, transparent back, screw-in...
43.5 mm black ceramic case with helium escape valve, transparent back, unidirectional rotating bezel with...