Vintage Omega Seamaster Chrono‑Quartz 1976 ST 396.0839
The Omega Seamaster Chrono-Quartz ref. ST 396.0839 (1976) is one of the most fascinating and technically ambitious watches Omega ever made—a true hybrid of mechanical-style chronograph layout with early quartz innovation. Basic Specs Reference: ST 396.0839 Year: Introduced 1976 Movement: Omega Caliber 1611 (Chrono-Quartz) Case Size: ~38–40mm (tonneau/barrel-shaped) Case Material: Stainless steel Crystal: Mineral glass Water Resistance: Originally ~120m (Seamaster-rated) Movement – Caliber 1611 This is what makes the watch special. Developed with Lemania (Omega’s sister company) Hybrid quartz chronograph Separate gear trains : Analog timekeeping (quartz-regulated) Mechanical-style chronograph module Frequency: 32 kHz quartz oscillator Chronograph resolution: 1/100th of a second Display: Analog time (center hands) Digital LCD for chronograph (top window) Battery-powered , but far more complex than standard q...