18kt yellow gold and stainless steel case with a 18kt yellow gold and stainless steel bracelet. Fixed 18kt yellow gold bezel set with 38 diamond. White mother of pearl dial with luminous gold hands and index hour markers. Minute markers around the outer rim. Battery operated quartz movement. Scratch resistant sapphire crystal. Push in crown. Screw down case back. Case diameter: 25.5 mm. Case thickness: 7.5 mm. Push button deployment clasp. Water resistant at 30 meters / 100 feet. Omega Constellation Ladies Watch 1277.70.