Housed in a 42mm round stainless steel case measuring 15.1mm thick, the Chronomat B01 features a screw-locked crown with two gaskets and a uni-directional ratcheted bezel. A cambered sapphire crystal with glareproof treatment on both sides protects the green dial, while a transparent sapphire crystal caseback allows a view of the movement within. The case is water resistant to 200 metres.
The green dial is fitted with luminescent index hour markers and luminescent hands, presenting chronograph, date, hour, minute, and second functions in an analog layout. The date display is positioned at 6 o'clock. Power comes from the Breitling 01 manufacture self-winding movement, offering approximately 70 hours of power reserve.
The watch is completed by a stainless steel bracelet in silver with a folding clasp, and carries Swiss Made designation. This example is accompanied by its original box and papers, reference AB0134101L1A1.
