Breitling Cockpit B50 Watch - 46mm Black Titanium Case - Volcano Black Dial - Black Titanium Professional III Bracelet - VB501022/BD41/176V46. 00 mm black titanium case, solid back with screws, non screw locked crown with two gaskets and integrated push piece, bidirectional ratcheted rotating bezel windrose, cambered sapphire crystal with glareproof treatment on both sides, Volcano black dial, thermocompensated SuperQuartz electronic Breitling B50 movement with rechargeable battery, chronograph function, countcown countup clock, flight time chronograph, electronic tachometer, countdown,