About This Watch: This Omega Constellation Watch 123.55.27.60.55.004 has a quartz movement. It features a white mother-of-pearl dial and a scratch resistant sapphire crystal. It is decorated with flawless ideal cut natural diamonds on its face and bezel. Its finely crafted case is made out of brushed 18K yellow gold. This watch is water resistant up to 10 atm; 100 meters; 330 feet.