Having introduced a new design language along with the all-new, automatic 9SA5 last year, Grand Seiko is now doing the same for the Spring Drive. The watchmaker has debuted a pair of Heritage Collection Seiko 140th Anniversary Limited Editions, the “Minamo” SLGA007 in steel and the “Tree Rings” SLGA008 in rose gold. Both are powered by … Continue reading Grand Seiko Introduces the Spring Drive 5 Days Caliber 9RA2 The 140th Anniversary editions SLGA007 and SLGA008.