The BLS Factory Breitling Chronomat B01 42 UB0134 two‑tone replica recreates the iconic Chronomat silhouette in a luxurious 18k red gold and steel configuration. The 42mm stainless steel case is paired with an 18k red gold bezel featuring four matching gold rider tabs at the 15‑minute marks — a design element that underscores the Chronomat’s aviation roots. The sunburst dial — available in black, blue, silver, or copper — sits beneath a cambered sapphire crystal with double anti‑reflective coating for exceptional legibility from any angle. Baton‑style hour markers are coated with Super-LumiNova® for all‑light visibility, while the 30‑minute and 12‑hour totalizers at 3 and 6 o’clock handle full chronograph functionality. The date window sits discreetly at 6 o’clock. The two‑tone Rouleaux bracelet — stainless steel outer links with 18k red gold centre links — stays true to the 1984 silhouette and is secured by a folding clasp. Inside beats a high‑grade replica of the Breitling Manufacture Caliber 01 — a COSC‑certified column‑wheel chronograph with vertical clutch, offering 47 jewels and an impressive 70‑hour power reserve. Water‑resistant to 200 metres and featuring a sapphire exhibition caseback, the Chronomat B01 transitions seamlessly from the boardroom to the weekend. For buyers who desire the elevated look of a two‑tone watch without compromising the original panda dial appeal, the BLS Factory two‑tone edition is the definitive choice.