Authentic Omega Constellation Manhattan Chronometer watch model 13110292005001. Features a 29mm stainless steel round case with mother-of-pearl dial and silver tone hands alongside index hour markers. Equipped with an automatic chronometer movement, the Calibre 8700 engine provides a 50-hour power reserve display. Includes date functionality and is fitted with scratch-resistant sapphire crystal. Comes with a transparent case back and deployment clasp with push button fold over mechanism. Water resistant to 50 meters (165 feet) or approximately 3 ATM.