That’s over five times more precise than international standards require. Why are we referencing all these numbers? Because Citizen’s Chronomaster timepieces are accurate to ±5 seconds a year. While the typical quartz timepiece maintains a ☑ second a day average and good quartz timepieces make ☑5 seconds a month, by COSC standards, a quartz chronometer holds a requirement of ☒5.55 seconds a year. Some quick numbers to note: according to the Contrôle Officiel Suisse des Chronomètres (COSC), mechanical tickers are considered to be highly precise when they maintain a rate of −4/+6 seconds per day. As a result, high-precision quartz timekeeping is making a strong comeback. ![]() This redefinition is in no small part due to the presence of smartwatches, which are driving forward digital timekeeping efforts. AB9000-52L - The Citizen Quartz Blue Dial Stainless Steel Mens Watch 2,275 + 87 for shipping. ![]() ![]() In recent days, however, there’s been increasing interest in redefining electronically assisted timekeeping – quartz-powered timekeepers are no longer simply the more accessible option. CHRONOMASTER Watch From Japan AB9000-52L 1,612 + 35 for shipping. At Revolution, we’ll be honest in saying that we’re a tad biased towards mechanical watchmaking.
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