Seiko Bell-Matic Ref. 4006-6050 (Oktober 1974) Taucheruhr The case back is transparent

The case back is transparent and offers a fascinating view of the mechanical perfection

The limited edition (400 pieces) combines maritime charm with modern technology: a 38 mm case made of coated 316L stainless steel

The motorsport era of the 1970s

but rather develop stylish watches and accessories that bring the spirit of the 1940s to 1960s—the golden age of the mechanical watch—into everyday life

Functions: Chronograph (60-minute counter at 9 o'clock)

Seiko Bell-Matic Ref. 4006-6050 (Oktober 1974) Taucheruhr The case back is transparentA rare and distinctive Seiko Bell Matic automatic wristwatch with a mechanical alarm, manufactured in October 1974. This series is among the most technically sophisticated vintage models of the 1970s and was one of the first automatic wristwatches in the world with an integrated alarm mechanism. Technical data Reference: 4006 6050 Serial number: 400135 (October 1974) Movement: Seiko Calibre 4006A, automatic winding with mechanical alarm, 17 jewels