Yellow gold-tone 18kt yellow gold case with a blue leather strap. Fixed yellow gold-tone 18kt yellow gold bezel. Champagne dial with yellow gold-tone hands and diamond hour markers. Dial Type: Analog. Omega Calibre 1376 quartz movement. Scratch resistant sapphire crystal. Square case shape, case size: 19.3 mm. Water resistant at 30 meters / 100 feet. Functions: hour, minute. Constellation Quadra Series. Luxury watch style. Watch label: Swiss Made. Item Variations: 1631 77 60, 1631-77-60, 1631/77/60, 16317760. Omega Constellation Quadra Quartz Diamond Champagne Dial Ladies Watch 1631.77.60.