Breitling, Very Rare and Early Bullhead Chronograph, Stainless Steel, Non-Production Reference, circa 1970 Case: 43mm, stainless steel, two body case, with screw down case back, N/A Dial: orange dial, black baton hour markers, with subsidiary dials for running seconds and 30 minute counter, luminous track on minute counter, luminous baton hands Movement: Breitling signed Cal. 7733, manual winding, rhodium finished, 17 jewels Band: Breitling signed leather strap Signed: Breitling on case, dial, movement HID03101062020 © 2020 Heritage Auctions | All Rights Reserved