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. Choose from some of the choicest timepieces, such as Citizen Chronomaster AQ4024-53Y Tosa Washi Paper, Citizen AQ1020-51A Eco-Drive Titanium, Citizen Chronomaster AQ4030-51E Tosa Washi Dial, Citizen Chronomaster AQ4020-54Y, and many more. 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. These legendary Citizen models are a must-have in every watch collection. 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. 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. At Revolution, we’ll be honest in saying that we’re a tad biased towards mechanical watchmaking.
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