Automatic chronograph mens watch, Omega Calibre 3861 movement based on Lemania 1873 with 26 jewels and 21600 vph beat rate (approx. 50 hour power reserve). Analog dial type featuring black dial with rose gold-tone hands and index markers including luminescent coating for night-time readability. Minute markers around the outer rim of the fixed black bezel. Includes three sub-dials: one displaying seconds, another minutes, and a third hours. Scratch resistant sapphire crystal lens. Pull/push deployante crown. Transparent case back allowing visibility of the automatic movement. Round 42 mm rose gold stainless steel bracelet case with deployment clasp. Water resistant to 50 meters (approx. 165 feet). Functions: chronograph, hour, minute, second display. Swiss Made watch from Speedmaster collection.