Seiko Bell-Matic Ref. 4006-6050 (Oktober 1974) GMT (buckle side) 75 mm /

(buckle side) 75 mm / Thickness 3 mm

The leather straps shown are optional and available separately in the shop

and engravings

design-conscious target group – “King Seiko with attitude” – but remained rare due to the high production costs and the parallel development of Grand Seiko

Perfectly matched to the KNIS Automatic Retro Modern Super Luminova Blue 38 mm and the KNIS Retro Military models

Seiko Bell-Matic Ref. 4006-6050 (Oktober 1974) GMT (buckle side) 75 mm /A 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