The Breitling Superocean Heritage B01 Chronograph 42, reference AB0156161C1S1, features a 42 mm stainless steel case with a blue dial and matching blue rubber strap. Powered by the Breitling Manufacture Caliber 01, this self-winding mechanical movement offers a power reserve of approximately 70 hours. The watch includes a chronograph function with 1/4th second and 30-minute counters, a date display at the 6 o'clock position, and is water-resistant up to 200 meters. The unidirectional, ratcheted bezel and cambered sapphire crystal with anti-reflective coating on both sides enhance durability and readability.