Omega 123.20.38.21.06.002 Complete Details: 18kt rose gold and stainless steel case and Bracelet Brushed 18kt rose gold bezel with engraved roman numerals and polished claws Warm grey dial with index hour markers Displays Date at 3 o'clock Movement: Omega caliber 8500, beats at 25,200 vph, contains 39 Jewels & has an approximate power reserve of 60 hours, courtesy of its twin barrels mounted in series. The movement features Omega's "Si 14" silicon balance spring, which contributes to the movements outstanding resistance to shock and to environmental disturbances and thus to the watch’s chronometric performance. The movement also features Omegas Co-Axial Escapement which contributes to greater precision, stability & durability. The Co-Axial escapement has less friction & reduces the necessity of lubrication thus reducing the time intervals required between servicing. The rotor & visible bridges are decorated with a unique "arabesque" wave design finish. This watch is also known as 12320382106002