Omega 324.28.38.50.02.002 Speedmaster 38 Steel Sedna Gold Diamonds on Leather Strap The Speedmaster 38 mm collection has been crafted with simplicity, size and colour in mind, yet still retains the look and heritage of OMEGAs most famous chronograph.This model features a stainless steel and 18K Sedna gold case with a dual bezel design. The inner section of the bezel features a tachymeter scale on a brown aluminium ring while the outside is diamond-paved.The cappuccino dial includes horizontal brown oval subdials and a vertical oval date window at 6 oclock. The indexes and hands are made of 18K Sedna gold with white Super-LumiNova on the the hour, minute and chronograph seconds hands.The watch has a taupe-brown leather strap, a Seahorse medallion on the caseback, and is driven by the OMEGA Co-Axial Calibre 3330.