Omega Pre-owned Speedmaster 3510.50 is a stainless steel automatic chronograph known for its bold black dial and tachymeter bezel. Condition: Excellent. Light signs of use, including subtle surface marks barely visible to the eye. Please see photos for the exact condition. Key attributes: Black | Steel | Automatic movement | Chronograph | Swiss precision | Fold clasp | Adjustable bracelet with extra links | Includes box, certificate, brand booklet, service card and extra links | Bold black dial | Stainless steel case and bracelet | Tachymeter bezel | Dimensions & fit: Adjustable bracelet with extra links | Fold clasp closure | Composition & care: Stainless steel | Wipe with a soft cloth; avoid strong magnets and harsh chemicals; service by an authorized technician as recommended.