Breitling gents superocean heritage chronograph 44 black leather strap the superocean hritage chronographe combines an unusual appearance with excellent performances its powerful 44 or 46 mm diameter steel case that is water resistant to 200 m 660 ft houses an officially chronometer certified selfwinding movementmovement selfwinding mechanical power reserve min 42 hours chronograph 14th second 30 minutes case steeldiameter 4400 mm water resistance 200 m 660 ft bezel unid