Volcano black and cool steel give the new and slightly larger navitimer watch a clear and bold visage whilst also giving enhanced readability to the dial the certified selfwinding breitling 01 chronograph movement is visible through the sapphire crystal case back allowing you to see the incredible workmanship that goes in to every breitling watch the volcano black dial has silver sub dials and as silver tachymeter scale on the inner bezel edge for absolute clarity of usage and the entire t