Seiko Crown Diashock 21 Jewels – historischer Vorläufer der Grand Seiko – Referenz J15003 – frühe 1960er Jahre – frisch revidiert Quarz Dieses Modell verbindet klassisches Design

Dieses Modell verbindet klassisches Design mit der handwerklichen Qualität

1996–1997)

the 6618 series featured finer surface finishing and higher precision

Particularly beautiful is the Day-Date window at 3 o'clock

as a high-end movement from Seiko

Seiko Crown Diashock 21 Jewels – historischer Vorläufer der Grand Seiko – Referenz J15003 – frühe 1960er Jahre – frisch revidiert Quarz Dieses Modell verbindet klassisches DesignAn elegant and historically significant Seiko Crown Diashock 21 Jewels, reference J15003, from the early phase of modern Seiko manufacturing development. The Crown is one of the most important models in Seiko's history, as it directly led to the development of the first Grand Seiko in 1960. Many design elements of the Crown caliber formed the basis for the early Grand Seiko movements. The present example is in very good vintage condition and was fully