Japan’s first shock-proof watch. Here’s the proof. Created in 1956, Japan’s first shock-proof watch from CITIZEN was dropped from a height of 30 metres from a helicopeter unto the street to prove it is indeed shock-proof! | Citizen Watch

Japan’s first fully water-proof watch. No wonder it became a rage. Created in 1958, Japan’s first fully water-proof watch was a sensation because one could wear it to the shower, the swimming pool or the sea! How cool and convenient! | Citizen Watch