!!!DER!!! Seiko-Bilderthread

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Baujahr, Material (Gold/vergoldet), etc.

Seiko F421-4000, 18K Gelbgold
SN 9700008
Bericht von Seiko-Museum Tokyo:

"Seiko completes ultra-thin quartz watch with a total thickness of 1.79 mm

The Seiko Quartz Digital F421J is the world's thinnest digital watch.

It is the ultra-thinnest digital watch in the world and it is equipped with 6-digit digital display.

In addition to the announcement in Japan, the watch will be simultaneously announced in the U.S. and exhibited at the RJA Gamma Chow (U.S. watch and jewellery industry trade show) starting July 28.



Product Features

1. Thoroughly developed thinner module.

2. The exterior has been made much thinner.

The case back plays the role of a baseplate, directly holding the entire module. The case and module are integrated into a single structure.

3. The case back and operating buttons are packed to prevent sweat and dust from entering the case.



Other main features

(1) Battery life expired notice function

(2) Automatic calendar with no need to correct the end of the month

(3) One-touch second correction function

(4) Sapphire glass



Standard retail price 700,000 yen

Scheduled release September, 1979"

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