The IWC Portofino Automatic 37 features a 37mm stainless steel case, green dial, and 12 diamonds marking the hours. Powered by the IWC-manufactured 32111 automatic movement, it offers a 120-hour power reserve. The watch is water-resistant to 5 bar and has a transparent sapphire crystal case back. It comes with a stainless steel bracelet and a quick-change strap system for ease of use. IW458602