Remembering The Speidel Twist-O-Flex Watch Bracelet Speidel by wholesalewatches - July 24, 20170 Speidel Twist-O-Flex Print Ad (1977) Speidel is the name behind what was once an iconic element of wrist watches, especially in America. You may not know the Speidel name or the name of the product they produced, but everyone should remember those flexible metal bracelets that were once so popular. Called