Throughout its 50-year history, the OMEGA Constellation 1502.40 has evolved at an unstoppable pace. The 1502.40.00 is always up-to-date with the latest fashion and ever the timeless classic with stainless steel. The 1502.40.00 has a unique appeal which makes it one of the bestselling watches in the world. The 1502.40 is a cornerstone in the OMEGA Constellation collection. This automatic watch features a stainless steel case & gray dial.