Oyster Perpetual Hooded Bubbleback 3065

First-generation hooded-lug bubbleback (“Rigid Hooded”), with smooth hoods and centre secondsCentre secondsA seconds hand mounted on the same axis as the hour and minute hands.; 32 mm, about 13–14 mm thick, 9 3/4''' movementMovementThe working mechanism inside a watch or clock.. Mostly full gold or full steel; two-tone examples are rarer.