The Omega Constellation Co-Axial Master Chronometer 131.12.41.21.06.001 is an automatic timepiece, 41mm in diameter, featuring a date complication and a transparent caseback. This watch offers precision for daily wear. Its design provides a measured statement for both formal environments and considered casual attire. The robust construction ensures functionality across diverse settings, a classic selection for the connoisseur. Key details Brand: Omega Type: Automatic watch Movement: Co-Axial Master Chronometer Case diameter: 41mm Features: Anti-magnetic, Date, Time zone, Transparent caseback