Timex's website offer manuals for all current Timex watches, including those marked WR50M, or water resistant up to 50 meters. All Timex Marathon watches are water resistant up to 50 meters, and Timex Ironman watches are water resistant up to 100 meters.
Timex is a brand of watches owned by Timex Group B.V, a Dutch company headquartered in Hoofddorp, the Netherlands. Timex Group B.V. comprises several watch brands and watch manufacturing companies around the world including Timex Group USA Inc. the subsidiary in charge of the Timex brand.
Timex Group USA was established in 1969 as Timex Corporation. In 2008 the company was restructured and renamed Timex Group USA Inc.