Editor’s note: It’s easy to get caught up in the hype around Grand Seiko dials (and these two beauties still pack a punch in that category), but the unique Spring Drive movement and 44GS-style case are just as noteworthy – as is the wearable size … In addition to the scene-stealing 9S 20th anniversary pieces, Grand Seiko have announced two new Spring Drive models at Baselworld 2018. Reference SBGA373 with a champagne dial, and SBGA375 in rich blue. Vital statistics With its inexorably smooth sweeping seconds hand, there’s something hypnotic about Grand Seiko’s Spring Drive technology, powered and regulated by an ingenious combination of kinetic, magnetic and electrical energy. And while the Snowflake tends to garner the most attention, there are other time and date members of the collection, the most recent being these two. Both are powered by the 9R65, visible through clear casebacks on both models, and housed in broad-shouldered 40mm, 44GS-inspired steel cases. It’s worth noting that these pictures are of prototype models, and I’ve been told that the (very) large crowns are likely to be replaced by something a little smaller and more balanced. On the wrist Grand Seiko’s champagne dials are exceptional and — apparently…

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