Roamer of Switzerland Men's 507837 41 15 50 Swiss Elegance Chrono Silver Dial Tungsten Carbide Chronograph Watch Quartz movement: ronda 5030 d Chronograph function; sub-second Silver dial with date window Tungsten carbide top ring and bracelet; antireflective sapphire crystal Water resistant to 165 feet (50 M): suitable for swimming and showering