SUC -> G-S Watch Crystal Cross Reference Chart - reprint

SUC Standard Unbreakable Crystal Company "Cross Reference Chart" for SUC to G-S (Germanow-Simon) circa 1961, reprinted. Catalog is 8 1/2 x 11 and is 6 pages long, saddle stitched, may have a bit of toner overprint on a couple of pages, especially at the edges. A must have for anyone who works on old wrist watches. Since these ship for free they are mailed without tracking, folded in half, in a 9 x 6 envelope. Images do a pretty good job of representing the item.does