Breitling Superocean Heritage II B20 Automatic 42 Watch - Steel Case - Volcano Black Dial - Black Rubber Aero Classic Strap - AB2010121B1S1 Captive co-axial escapement for greater precision

co-axial escapement for greater precision stability and durability

unidirectional ratcheted bezel

MFG Reference # H70665533

shiny black alligator leather strap with 18K white gold buckle

caliber 8906 Self-winding Seamaster chronometer watch movement with Co-Axial escapement and GMT time zone function

Breitling Superocean Heritage II B20 Automatic 42 Watch - Steel Case - Volcano Black Dial - Black Rubber Aero Classic Strap - AB2010121B1S1 Captive co-axial escapement for greater precision42. 00 mm steel case, 14. 35 mm thick, screw locked crown with two gaskets, unidirectional ratcheted bezel, cambered sapphire crystal with glareproof treatment on both sides, volcano black dial, Breitling 20 self winding movement with calendar via dial aperture and chronograph function, approximately 70 hours of power reserve, black rubber aero classic strap, pushbutton folding buckle. Water resistant to 200 m (660 ft).