Learn more There are different ways to measure timekeeping accuracy. Saying that Seiko’s most accurate watch is any Grand Seiko Spring Drive is correct because it is the brand’s mechanical movement ...

Seiko’s Astron series, first introduced in 2012, is Seiko’s take on the high-end, high-function quartz watch. The line boasts features like solar-charing, world time and a perpetual calendar but, most ...