LONGINES Conquest Chronograph is a sporty, everyday automatic watch built for performance and reliability. It pairs a 42 mm steel case with chronograph functionality and 10 ATM water resistance for versatile daily wear. Key attributes: Multicolor | Champagne | Black | Steel | Water resistance 10 ATM | Sapphire crystal | Chronograph function | Rubber strap | Steel clasp | Champagne dial | Round case | Dimensions & fit: Case diameter: 42 mm | Case thickness: 14.3 mm | Composition & care: Steel (case and clasp) | Sapphire crystal (glass) | Rubber (strap) | Wipe with a soft cloth. Avoid contact with solvents, chemicals and perfumes. Ensure crown is screwed down before water exposure. Have serviced by an authorized service center.