This Breitling Superocean Heritage B01 Chronograph 44 ref. AB0162121B1S1 combines classic dive watch design with high-performance chronograph precision. Its 44 mm stainless steel case features a unidirectional ratcheted bezel, screw-locked crown, and cambered sapphire crystal with anti-glare coating, offering water resistance up to 200 m. Powered by Breitling’s in-house Caliber B01 automatic movement with a 70-hour power reserve, it delivers 1/4‑second, 30-minute, and 12-hour chronograph functionality. Finished with a sleek black rubber strap and push-button folding clasp, this timepiece is equally at home underwater or on land, blending style, reliability, and Swiss craftsmanship.