Seiko Crown Diashock 21 Jewels – frühe 1960er – Tropical Dial – technischer Urahn der Grand Seiko Paaruhr The moon phase display and

The moon phase display and lunar cycle display are breathtakingly precise

filled with Swiss Super-LumiNova BGW9

The Heart: Caliber 5625 – Hi-Beat Precision

bidirectional automatic winding

and engravings

Seiko Crown Diashock 21 Jewels – frühe 1960er – Tropical Dial – technischer Urahn der Grand Seiko Paaruhr The moon phase display andA significant piece of early Japanese watchmaking: a Seiko Crown "Diashock 21 Jewels" from the early 1960s with a beautifully aged, genuine Tropical Dial and historically, the direct predecessor to the first Grand Seiko. The Crown Foundation of the Grand Seiko: Introduced in 1959 by Suwa Seikosha as an elegant, high end dress watch, the Crown built upon the Marvel but brought significant advancements with the Caliber 560: a larger balance for better