S自动matic movement, Caliber 8912, with 39 Jewels and a frequency of 25,200 vph (biting). Power reserve approximately 60 hours. Stainless steel case measuring 41 mm in diameter.Round shape. Equipped with sapphire crystal for scratch resistance.Transparent case back.Screw down crown for secure time setting.Uni-directional rotating bezel featuring an embedded blue aluminum ring.Precise chronometer rating.Accurate hour, minute and second analog functions.Co-axial escapement mechanism included.Luminous coating on both the silver-tone hands and hour markers.Blue dial with luminous markings facilitating reading in low light conditions.Arabic numeral hour markers positioned at 3, 6, 9, and 12 o'clock.Minute gradations around the outer rim.Transparent fold over clasp bracelet measuring 21 mm width.Original Omega presentation box included along with a complete manual for all functions.