A vintage American-made gold-plated expanding steel Twist-O-Flex watch bracelet made by Speidel USA in the 1960s. This bracelet is 19mm at the ends and each link is 15mm across. The straight-bar end links expand to fit a range of watches. Good for a watch with 16mm - 19mm lug width. Very good condition. 15.8cm full length when not expanded.
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