Omega Speedmaster Mark 40 Day Date 3520.50.00 Men's Watch. 39mm stainless steel case with a stationary tachymeter bezel and black bezel insert. Black dial with luminous hands and index markers. Triple date function with a day of the week and month indicator at 12 o'clock position, date indicator on the outer dial.

The chronograph subdials display seconds, minutes, and hours. Leather strap with Omega buckle. Automatic Caliber Omega 1151 automatic self-winding movement with 44-hour power reserve.

In good condition, movement runs very well!