The Omega Speedmaster Professional Moonwatch (Ref. 310.30.42.50.01.002) is a legendary chronograph, renowned for its role in space exploration. This watch features a 42mm stainless steel case and a classic black dial. The manual-winding Caliber 3861 movement delivers a 50-hour power reserve. A sapphire crystal protects the dial, while the stainless steel bracelet with a fold clasp offers a secure and comfortable fit. Designed with 5 ATM water resistance, it's a versatile timepiece for everyday wear and a true icon of horological history.