The Grand Seiko "Sea of Clouds" is a 2023 limited-edition mechanical travel watch created to commemorate the 25th Anniversary of Grand Seiko’s Caliber 9S family. Its technical centerpiece is the in-house Caliber 9S86, an automatic Hi-Beat 36000 movement combining a 10-beat-per-second frequency with an independently adjustable local-hour hand and GMT display. Limited to 2,000 pieces … Continue reading Grand Seiko “Sea of Clouds” | Hi-Beat 36000 GMT | Anniversary Edition Watch