The Seiko Astron as a series has its place in the history books of timekeeping. It began as the world’s first quartz watch in 1969. It has kept with progress of technology, and introduced the world’s first solar power GPS watch in 2012. This Baselworld, they introduced a new, smaller GPS Solar movemnt in the form of the Caliber 8X22. We review the new series, including the limited edition Ref SSE091 with mother of pearl dial, and the other references.