Gruen 15 Ruby jewels, two positions, semi thin pocket watch with watch fob. It has the original box, instructions and info card. It features a brequet hairspring, patent regulator, and double roller steel escapement. It is not keeping time. The back plate reads: Gruen Guild Switzerland, Gruen Ultra Quality 3057898716. It measures 1 11/16" diameter, watch fob is 14 1/2" long featuring a lobster clasp.
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