Because I've never had a watch repaired in Dallas? Nesbit's in Seattle is very good, if the OP wants to ship the watch. http://www.nesbitswatchservice.com/ Not suggested: Omega, or a Boutique that will send the watch to an Omega Service center. They tend not to respect vintage features of the watch and replace them unnecessarily, destroying collector's value.
Bob ridley is working on Texas...Great for vintage rolex..Maybe he could help you too for the speedy...