Omega's Speedmaster 3510.50 brings the legendary chronograph lineage to a compact 39mm stainless steel case. Powered by a self-winding automatic movement, this sport watch features a black dial with chronograph registers and matching stainless steel bracelet. This piece is in excellent pre-owned condition with minimal traces of wear. Details Brand: Omega Speedmaster Material: Stainless steel case and bracelet Size/Dimensions: 39mm case diameter Weight: Not specified Condition: Excellent pre-owned condition with minimal traces of wear Movement: Self Winding (Automatic) Case diameter: 39mm / 1.5