Steineck ABC Wristwatch camera. circa 1949. 8 exposures on circular filming special magazine. The inventor was Doctor R Steiner, which also invented the Tessina camera. Technical Specifications * Used a special round film cassette * Film diameter - 25 mm * Frame size - 5.5 mm in diameter * Number of frames per cassette tape - 8 * The film could be cut from a standard 35 mm roll with a special puncher
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