Omega Pre-owned Speedmaster Chronograph Stainless Steel Au750 is an automatic chronograph watch with a black dial and a stainless steel / 18K yellow gold case. Condition: Very Good Condition — Rank: Used A; used condition with some scratches and stains. Before purchasing, please refer to the images for the exact condition and the accessories included. Key attributes: Black | Stainless steel & 18K yellow gold (Au750) | Automatic movement | Chronograph timing function | Cowhide strap | Black dial | Chronograph design | Vintage styling | Stainless x 750 YG case | Dimensions & fit: Regular fit | Composition & care: Stainless steel | 18K yellow gold (Au750) | Cowhide leather | Wipe clean with a soft cloth. Avoid prolonged exposure to water. Have serviced regularly by a qualified watchmaker.