Superocean Heritage watch, 44 MM, Self-winding mechanical. Calibre Breitling B10.Chronograph 1/4th second, 30 minutes, 12 hours.Stainless Steel / 18K Rose Gold Case with Transparent sapphire crystal caseback. Approximately 48 hours power reserve. Vibrations 28,800 v.p.h with 25 jewels.Unidirectional, ratcheted. Screw-locked, two gaskets.Cambered sapphire crystal, glareproofed on both sides. Black Dial -Black Rubber Strap with Buckle.