Omega - Speedmaster Date Steel And Yellow Gold Watch 323.21.40.40.02.001

40 mm stainless steel and 18K yellow gold case, tachymeter bezel, domed anti-reflective scratch-resistant sapphire crystal, silver dial, self-winding chronometer Omega 1164 movement with chronograph, date, and small seconds, approximately 44 hours of power reserve, stainless steel bracelet. Water resistant to 100 m.