Grand Seikoのインスタグラム(grandseikoofficial) - 11月25日 23時13分

Grand Seiko Historical Watches - 56GS (1970)
#GrandSeikoHistory
After accuracy, size reduction was the next challenge for Grand Seiko. This caliber was automatic winding and although just 4.5 mm height, it retained the high precision of its predecessors. Thinness was not just an engineer's challenge. "Easy to wear" was part of the "ideal" watch concept and this slimmer watch sat more easily on the wrist.

#GrandSeikoHistory #HistoricalWatches #GrandSeikoofficial #56GS #GrandSeiko #GS #1970 #manufacture #craftsmanship
#watch #watches #vintage #japan #madeinjapan
http://www.grand-seiko.com/about/history/

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