Circa 1970s Baum & Mercier Duel Time Zone Wrist Watch, 41 M.M X 23 M.M 18k Yellow Gold 2 Piece case, Glass crystal, Black and Gold Dial, 2 independent Mechanical, Manual wind movements. New Hadley Roma Black Lizard grain strap. Recently serviced and comes with a 1 year warranty. Wear consistent with age and use