Toyo Seiko

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Toyo Seiko was perhaps a Japanese company. The engraving TOYO SEIKO Co. is found on the top housing of the Rolex 35 III, a 35mm viewfinder camera. The actual Japanese name is perhaps Tōyō Seikō (東洋精光), meaning "Oriental Precision Optics".

Bibliography

• McKeown, James M. and Joan C. McKeown's Price Guide to Antique and Classic Cameras, 12th Edition, 2005-2006. USA, Centennial Photo Service, 2004. ISBN 0-931838-40-1 (hardcover). ISBN 0-931838-41-X (softcover).
• Sugiyama, Kōichi (杉山浩一); Naoi, Hiroaki (直井浩明); Bullock, John R. The Collector's Guide to Japanese Cameras. 国産カメラ図鑑 (Kokusan kamera zukan). Tokyo: Asahi Sonorama, 1985. ISBN 4-257-03187-5.