Vintage Seiko 5 Actus SS Automatic 23 Jewels Ref. 6106-8420 (November 1970) – JDM, Bilinguales Day-Date, Caliber 6106 (61GS-Verwandte Architektur) – Komplett revidiert Januar 2026 GMT this model allows the hour A396e

Vintage Seiko 5 Actus SS Automatic 23 Jewels Ref. 6106 8420 (November 1970) – JDM, Bilinguales Day Date, Caliber 6106 (61GS Verwandte Architektur) – Komplett revidiert Januar 2026 GMT this model allows the hour A396e this model allows the hour hand to remain set separately while the local time is adjusted The Essence ThirtyNine combines modern design The "Actus" was exclusively intended for the Japanese domestic market (JDM) and was never officially distributed outside Japan – making it one of the most sought after vintage Seiko variants among collectors in Western markets A particularly interesting technical connection: The 6106C caliber shares its basic architecture with the Grand Seiko 61 Series caliber (61GS) – that legendary Grand Seiko automatic movement of the late 1960s and 1970s