Launched in the early 2000s, the present Omega reference 3658.50.31 is a very rare and exceptional timepiece. Crafted from the most noble metal, platinum, this Speedmaster falls under the Broad Arrow family and the dial, movement, and rotor have been completely skeletonized and hand engraved. Under a loupe, one can fully appreciate the meticulous and laborious effort that Omega watchmakers have dedicated into this watch, requiring hundreds of hours without any room for error. Powering reference 3658.50.31 is caliber 3221, featuring a column wheel, individual number engraving, skeletonization, and automatic winding.