This is a Brand New Authentic Omega Constellation Co-Axial Master Chronometer watch with model number 123.53.38.21.02.001 (also known as 12353382102001). It features an elegant Silver Dial accented by Rose Gold tone Index hour markers and minute markers along the inner rim, providing excellent legibility. The case is crafted from 18kt Rose Gold with a transparent sapphire crystal back that allows visibility of the Calibre Omega 8501 automatic movement inside. The watch includes a date function and has an impressive power reserve feature lasting approximately 60 hours. Encased in a Round shape measuring 38mm, it comes equipped with a genuine Brown Alligator Leather strap fitted with a Tang clasp for secure fastening. This Co-Axial Master Chronometer is water resistant up to 100 meters (approximately 330 feet). It also carries a 5 year WatchMaxx warranty ensuring long-term reliability and authenticity.