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Hybrid movements

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.

Spring drive:

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.



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