Sinn watch ux ezm 2b leather perfect legibility even under the most adverse of conditions the largest dial possible and a bezel that wont come off or pitch to one side these are challenges that sinns engineers have fulfilled with model ux the case filled with a special oil makes the watch legible from every angle even under water this oil filling keeps the case water resistant to any reachable diving depth currently the most modern and precise chronometer quartz movement on the market