Omega Pre-owned Speedmaster 3510.50 is a stainless steel automatic chronograph celebrated for its bold black dial and tachymeter bezel. Condition: Excellent — light signs of use with subtle surface marks barely visible to the eye; please see photos for exact condition. Key attributes: Black | Silver | Stainless steel | Swiss automatic movement | Chronograph timing | Automatic movement | Fold clasp | Adjustable bracelet | Extra links included | Comes with box, certificate, brand booklet and service card | Black dial | Tachymeter bezel | Chronograph subdials | Space-heritage styling | Dimensions & fit: Adjustable bracelet | Includes extra links for size adjustment | Regular fit | Composition & care: Stainless steel | Clean with a soft cloth. Avoid prolonged exposure to water and strong chemicals. Regular servicing recommended.