What are some examples of hybrid watch movements?
Automatic quartz: Best known example: Seiko Kinetic. Regulator: Quartz crystal. Accumulator: Rotor and coil. Energy storage: Capacitor. Advantage: Accuracy. Disadvantage: Capacitor will need replacing.
Battery powered mechanical: Best known example: Tissot Seastar Electronic Regulator: Balance wheel. Energy source: Silver oxide cell. Advantage: No winding/ charging required. Disadvantage: Accuracy.
Best known example: Seiko Spring drive.
Regulator Quartz controlled electromagnet.
Accumulator: Rotor and magic lever.
Energy storage: Mainspring.
Advantage: Self winding and accurate.
Disadvantage: In-house servicing mandatory.