The Grand Seiko Spring Drive is a mechanical movement exclusive to the Japanese watch company. It mimics the accuracy and operation of a quartz movement without a secondary power source. It was a ...

Grand Seiko’s 44GS 55th Anniversary Limited Edition Spring Drive is a 1,500-piece edition inspired by the moon over the Shinshu Mountains in northern Japan where Spring Drive watches are made. When it ...

There are watches people buy to be noticed. And then there are watches people buy because they know what they are looking at.

One of the standout announcements from Switzerland’s biggest watch expo this year was a new Japanese movement that promised to, once again, revolutionize mechanical timekeeping. Grand Seiko’s caliber ...

Originally published by Logan Baker on Hodinkee. Grand Seiko is updating its tentpole dive watch today, adding the Spring Drive caliber 9RA5 into a serial production dive watch for the first time ...

Grand Seiko has launched a new Spring Drive movement that’s accurate to within 20 seconds per year The revolutionary hybrid engine debuts in two striking new models One of the models, SLGB003, also ...

We wore these new limited-edition Spring Drive models from Grand Seiko ahead of their release, and the dials struck us as thoroughly astounding. This is not a huge surprise, as Grand Seiko has put the ...

Leading the charge are five new 44GS models, which include updated and upgraded iterations of several well-known references from the Heritage Collection. The cases and bracelets are now attired in the ...