New from the 2010 Omega Constellation Collection. Steel-red gold on steel-gold full bar. MOVEMENT Caliber: Omega 8520 Self-winding movement with Co-Axial Escapement for greater precision stability and durability. Free sprung-balance system with silicon balance-spring. Automatic winding in both directions to reduce winding time. Rhodium plated finish with exclusive Geneva waves in arabesque. Power reserve: 50 hours CRYSTAL Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides CASE & DIAL Case: Steel-red gold Diameter: 31 mm Dial: Brown with diamonds WATER RESISTANCE 100 m (330 feet) FEATURES Chronometer Date Diamonds Transparent case back