About This Watch: This Omega Constellation Watch 123.20.35.20.52.004 has an automatic movement with a co-axial escapement feature. It features a silver dial and a scratch resistant sapphire crystal. It is decorated with flawless ideal cut natural diamonds on its face. Its finely crafted case is made out of 18K yellow gold and stainless steel. This watch is water resistant up to 10 atm; 100 meters; 330 feet.