this is the a rare audemars piguet rectangular royal oak in the midsize execution, the reference 6009 from the 1980s. our example comes with two facts that let a vintage-watch-collector´s heart beat higher. a worn but still unpolished steelcase (39 x 28 mm + crown) with clearly readable B serial number on the caseback, and an overwhelming brown faded tropical dial with old audemars piguet font. the bracelet will currently fit wrists up to a range of 17,5 cm size. additional links could still be ordered from AP. the Audemars Piguet 2511 quartz caliber is running perfecly like you would expect it.