Assembly

Quality Control.

Final assembly known as Casing Pp, this is where the Dial, Hands, Movement, Case, and
Bracelet come together.

Bentley Continental GT

I dream to own Rolex for Rolls Royce Phantom.

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Terminology :

Balance Spring (Hairspring), Balance Wheel, Escapement, Jewel Bearing, Mainspring, Mechanical Watch, Movement (clockwork), Wheel Train (horology),

Reference :

1. Wikipedia : Balance Wheel, Jewel Bearing, Mechanical Watch, Wheel Train (Horology),
2. Mechanical Clock, Mechanical Watch Structure and Theory.