While both the concept and the term "tool watch" has been watered-down through consistent overuse, the idea of a tool watch is one that has always intrigued me. To my mind, few brands better define the watermark for tool watches than Sinn. The German manufacturer has been making role-specific tool-style watches for decades, from pilot's watches like the 144 ST to cult-hit dive watches like the formidable U1. http://www.ablogtowatch.com/sinn-ezm-13-watch-hands-on/

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