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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
a harmonious blend of innovation and tradition
has a Stainless Steel 45
Powered by a reliable Spring Drive movement
Upper sub-dial: Oversized black printed 12
ensures a clear view into the heart of Swiss horology
Grand Seiko Heritage SBGA203 Big Bang King a harmonious blend of innovationA long cherished and simple Spring Drive watch A Spring Drive watch that has had a strong following ever since its release. It was the first Grand Seiko watch to be powered by Spring Drive, Grand Seiko's unique calibre, which combines the motive force of a mainspring with the high precision of a quartz watch. In Spring Drive, the second hand moves in perfect glide motion, reflecting the natural and continuous flow of time itself. It has a 72 hour