Omega Speedmaster The 1957 Trilogy 311.10.39.30.01.001 Mens Watch Box Papers
38.6mm stainless steel case. Black dial with steel hands and index hour markers. Three sub-dials. Small seconds hand at 9 o'clock. 30-minute counter at 3 o'clock. 12-hour counter at 6 o'clock. Minute markers on the outer dial.