OMEGA Omega Seamaster series. This classic and tough timepiece continues Omega’s glorious marine legend. The unique dial design of the Omega Seamaster Aqua Terra is reminiscent of the endless waves of the sea. The 45 mm 316L stainless steel case is equipped with a ceramic bezel and is paired with a 361 stainless steel strap or tape imported from Thailand. This certified chronometer is powered by Caliber 8900. 3-digit calendar display. The operation of the movement is clearly visible through the transparent case back.