This year marks the 145th anniversary of Seiko, and while 145 isn’t exactly the most notable round number anniversary, it’s still, well, a very long time. And as we’ve mentioned countless times in these pages, the watch industry simply doesn’t let an anniversary year go to waste. Seiko has just announced a new collection of watches in the Astron line to mark the occasion, because of course it makes a lot of sense to commemorate longevity and a proud history with the most modern contemporary line in the catalog. Right?  Kidding aside, the Astron holds a special place in the Seiko collection for a few reasons. It was the name of the brand’s very first quartz watch, famously introduced on Christmas Day in 1969. It was a watch, and a technology, that not only changed the company, but the watch industry altogether.…