This vintage Heuer Monaco Ref. 74033N is one of the rarest and most striking versions of the iconic square chronograph. Produced in the late 1970s, this model features a distinctive 38 mm square case coated in black PVD, giving it a bold and avant-garde presence. The matte black dial is accented with contrasting white markers and vivid red chronograph hands, offering excellent legibility and a strong racing aesthetic. Powered by the manual-winding Caliber 7740 (Valjoux 7740), this chronograph delivers reliable performance with a classic hand-wound feel. The crown positioned on the left side remains a signature Monaco design element, reinforcing its unconventional character. With its stealthy finish, technical pedigree and unmistakable silhouette, the Monaco 74033N is a highly collectible piece that represents Heuer’s experimental spirit and motorsport heritage at its finest.