Grand Seikoさんのインスタグラム写真 - (Grand SeikoInstagram)「【Elegance Collection Caliber 9S 25th Anniversary Limited Edition #SBGM253 】 Its design depicts the clear blue sky as seen from the top of Mt. Iwate, the soaring peak visible through the windows of the Grand Seiko Studio Shizukuishi. The timeless watches has a classic profile, yet a see-through case back provides a view of the thoroughly modern 9S66 GMT movement, which has been outfitted with a special titanium oscillating weight that has been colored Grand Seiko Blue through an anodic oxidation treatment. #grandseiko #thenatureoftime #aliveintime」10月7日 18時15分