Bulova Marine Star pairs a rose-gold stainless steel case with a grey skeleton dial and a durable silicone strap. Its automatic heartbeat movement and 20 bar water resistance make it suitable for active everyday wear and water-based activities. Key attributes: Grey | Rose gold | Stainless steel | Water resistance 20 bar (200 m) | Mineral glass crystal | Automatic movement (self-winding) | Silicone strap with steel pin buckle | Steel buckle closure | Open-heart (skeleton) aperture | Grey skeleton dial | Round case | Textured silicone strap with contrasting red underside | Rose gold-tone case accents | Mineral crystal | Dimensions & fit: Case diameter: 44 mm | Composition & care: Stainless steel | Silicone | Mineral glass | Wipe clean with a soft cloth. Avoid contact with chemicals and perfumes. Rinse with fresh water after saltwater exposure and dry thoroughly. Have the movement serviced periodically by an authorized service center.