A new authentic Omega watch from the Constellation Co-Axial collection featuring a Master Chronometer movement. Silver dial accented by yellow gold hour and minute hands along with index markers. Case combines polished yellow gold and brushed stainless steel, bracelet is also crafted in these materials including a deployment clasp and foldover buckle. Equipped with an automatic Omega Calibre 8800 movement offering approximately 55 hours power reserve. Functions include date display, chronometer accuracy indicators for hours, minutes, and seconds. Features scratch-resistant sapphire crystal lens. Classic round case measuring 36mm in diameter. Includes a transparent case back. Rated at 50 meters (165 feet) water resistance depth. Comes with a 5-year WatchMaxx warranty.