Seiko Crown Diashock 21 Jewels – der Grand Seiko Vorgänger (Japan, ca. 1962) GMT The crystal is well preserved

The crystal is well preserved

Original warranty booklet (valid only in Japan)

In Japanese mythology

The beveled date window at 6 o'clock harmonizes with the color-matched date wheels

The model comes from the renowned CS (Classic Series) by the Tokyo-based manufacturer Knot

Seiko Crown Diashock 21 Jewels – der Grand Seiko Vorgänger (Japan, ca. 1962) GMT The crystal is well preservedThe Seiko Crown was one of the most significant models in the history of Japanese watchmaking. It marked the transition from Seiko's early mechanical series to the high precision calibers that culminated just a few years later in the first Grand Seiko (1960) . This virtually untouched example of the Seiko Crown Diashock 21 Jewels dates from the early 1960s and is extremely rare to find in such excellent condition today. The case shows perfectly