Steel
42 mm stainless steel case, 14 mm thick, engraved back with Expedition Jacques-Yves Cousteau" on...
42 mm stainless steel case, 14 mm thick, screw-in crown, rotating bezel with safedive system,...
42 mm stainless steel case, 14.2 mm thick, sapphire back, convex sapphire crystal with antireflective...
42.4mm stainless steel case, 13.8mm thick, see-through sapphire glass back, convex sapphire glass crystal with...