Breitling, B01 Aviation Chronograph 1 Series, Model: RB012012, 43MM in diameter, rose gold, automatic mechanical, bidirectional rotating rose gold flight slide rule bezel, gold scale chronograph inner ring, anti-reflective coated sapphire crystal, three-dimensional black chronograph dial, rose gold scale and hands, hour and minute hands with luminous display on the outer edge of the scale, observatory certification mark. Breitling produces its own classic B01 movement, an automatic mechanical chronograph movement.