This Citizen earth chronograph watch is their signature Japanese quartz movement with the analog Show. It features the 3 sub-dial functionality and an Atomic timekeeping technology that enables wearers to check nearly 26 diverse time zones. Like all Rolex watches, the Datejust is covered because of the Superlative Chronometer certification https://www.watchesworld.com/11-of-the-best-womens-watches/