Men's Promaster Land Titanium Case and bracelet, gray dial. Incredibly strong, lightweight, and gentle on the skin, our proprietary surface hardening technology makes it 5x harder and 40% lighter than stainless steel, plus it's hypoallergenic, scratch- and rust-resistant. Fold over clasp with safety closure. Water resistant to 200M. Case size 41mm. Powered by Eco-Drive so it charges by any light and never needs a battery.