![]() ![]() The ETA Thermoline movement, as used in some Breitlings.More modern technology has brought a few high-accuracy quartz movements: That’s good enough for pretty much any application, as evidenced by the fact that accuracy hasn’t improved much since the 1970s. Unfortunately, it has very limited battery life, and doesn’t sync automatically.Ĭonventional quartz movements are generally accurate to ☑5 seconds per month, or 3 minutes per year. But there are large portions of the world where they don’t reach (Central/South America, Australia, New Zealand, Russia, the poles, out on the ocean - even plenty of places that are technically within range, but for whatever reason, not conducive to signal penetration).Īnother possible answer is a GPS watch like the Suunto X9i which works almost anywhere on the globe. Atomic watches are very accurate if you can receive the radio signals. You might guess a radio-controlled quartz watch like the Casio G-Shock Gulfman, or the Citizen Skyhawk. That’s over five times more precise than international standards require.Ever wondered what the most accurate watch in the world is? It’s probably not what you think. 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. 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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