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Front, Back, Case mark, Cuvette mark, Dial, Angle view of dial, Movement, Second view of movement, Angle view of movement, Second angle view of movement This watch was produced by the original Columbus Watch Co. that was operated by Gruen and Savage. When the company got into financial difficulties, Gruen left and formed the series of Gruen Watch Companies. This basic ebauche appears with both covered and uncovered winding wheels. Dietrich Gruen's patented safety pinion is marked on the back plate. Many of these watches show up as private label watches with only the Gruen patent to identify them with Gruen. The dial is marked with a monogram for Columbus Watch Co. |