Time Art Piece on Twitter: "My Seiko C515-5000 from 1982 is now on my collection site (pictures, video, tech specs): https://t.co/ENFq77wHAw # watch #wristwatch #seiko #70s #1970s #1970 #vintagewatch #seikowatch #chronograph #calculator #vintageseiko #
For Sale - 1978 Seiko C153-5007 Calculator Watch - SOLD | The Watch Site