Hi!
The name "original" was used by several manufactures connected with Glashutte, I suspect that yours is not one of those. It may be from the following, whose details come from www.mikrolisk.de, but its difficult to know without seeing the movt and caseback for further identifying marks......
Regards
Original Württembergische Uhrenfabrik Bürk Söhne Schwenningen, Deutschland Original Eterna SA / Schild Freres & Co Grenchen und Solothurn, Schweiz Original Selza Co. SA Biel, Schweiz; registriert am 25.3.1943 Original (im Oval) Karl Griesbaum Triberg, Deutschland Original (im Hosenbandorden) Achille Hirsch / Compagnie des Montres Invar / Climax Watch / Vigilant Watch / Cervine SA / Century Watch La Chaux-de-Fonds, Schweiz
tim