Analog, Date Display at 3 O'clock Position, Omega Calibre 2500 Automatic Movement (Based on ETA 2892-A2), 27 Jewels, Frequency: 25200 vph, Power Reserve: Approx. 48 hours, Sapphire Crystal, Co-axial Escapement, Chronometer, Yellow Gold Dial with Silk Pattern & Dauphine Hands, Roman Numerals and Hour Markers, Stainless Steel Case, Solid Case Back, Hidden Fold Over Clasp, 39.5 mm Diameter Round Shape, Water Resistant to 30 meters.