It’s a blue kind of day…. Blue #Heuer #Silverstone -this one has gorgeous patina and is available for sale with more details on the site at www.heuerheritage.co.uk/HeuerSilvers... or link in bio #vintageheuer #heuersilverstone #clayregazzoni #regazzoni #calibre12 #f1 #historicformula1 #blueskywatch