Each of these plastic ROCKET CYLINDER watch crystals is packaged in a little orange envelope with all kinds of information on it. The number of the crystal as well as the watch brand that it fits are listed along with a little drawing of the crystal inside. As far as we know, everyone of these is different. They are from a watchmaker's estate and were used for fixing broken crystals on watches.
The envelope measures 1-3/4 inch square. The crystals inside depend on the the watch and are all different sizes and shapes.
On the back flap of the envelope is the Rocket Crystal Trademark in an old-fashioned diamond logo:
STANDARD UNBREAKABLE WATCH CRYSTALS
Several crystals and envelopes pictured for illustration only. We will choose one randomly for you.
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