A men's automatic chronometer watch from Omega featuring a moon phase display and chronograph functions. The grey sunburst dial includes luminous yellow gold-tone hands and index hour markers, along with minute markers on the outer rim. Encased in stainless steel with an 18kt yellow gold bezel topped by green ceramic showing tachymeter markings. Equipped with a deployment buckle clasp and features date functionality and small second sub-dial display. Pull/push crown operation, scratch-resistant sapphire crystal glass, transparent case back, round shape measuring 44.25 mm in diameter and 21 mm wide strap band. Water resistant to 100 meters (330 feet). Includes co-axial escapement movement.