Omega Pre-owned Speedmaster 3510.50 is a stainless steel automatic chronograph that pairs a bold black dial with a tachymeter bezel for precise timing and everyday performance. 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 | Silver | Steel | Automatic movement | Chronograph function | Tachymeter scale | Swiss precision | Fold clasp | Adjustable sizing with extra links | Includes box, certificate, brand booklet, service card, extra links | Black dial | Tachymeter bezel | Stainless steel bracelet | Classic chronograph layout | Dimensions & fit: Adjustable fit; sizing can be modified with included extra links. | Composition & care: Wipe with a soft cloth. Avoid prolonged exposure to water and strong magnetic fields. Have serviced by an authorized technician as recommended.