44.00 mm steel case, 15.65 mm thick, screw-locked crown with two gaskets, unidirectional ratcheted bezel, cambered sapphire crystal with glareproof treatment on both sides, blue dial, Breitling 13 self-winding movement with calendar via dial aperture and chronograph function, approximately 48 hours of power reserve, blue rubber aero classic strap, pushbutton folding buckle. Water resistant to 200 m (660 ft).