Bulova Aerojet Automatic pairs a classic open‑heart dial with a self‑winding movement, designed for everyday wear and collectors who value visible mechanics. Key attributes: Black | Nero e Acciaio | Stainless steel | Water resistant (30 meters) | 40‑hour power reserve | Automatic movement | Deployment clasp | Exhibition caseback | Open‑heart black dial | Luminous hands and index markers | Round case | Dimensions & fit: Case diameter: 41 mm | Composition & care: Stainless steel | Mineral crystal | Wipe with a soft, dry cloth; avoid chemical cleaners and prolonged exposure to water; service by an authorized center as needed.